e(struct page *page, struct
> page *newpage,
> }
> }
>
> - if (unlikely(__is_movable_balloon_page(page))) {
> + if (unlikely(PageBalloon(page))) {
> /*
>* A ballooned page does not need any special attention from
>* physical to virtual reverse mapping procedures.
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index 2836b53..f90f93e 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -1160,7 +1160,7 @@ unsigned long reclaim_clean_pages_from_list(struct zone
> *zone,
>
> list_for_each_entry_safe(page, next, page_list, lru) {
> if (page_is_file_cache(page) && !PageDirty(page) &&
> - !isolated_balloon_page(page)) {
> + !PageBalloon(page)) {
> ClearPageActive(page);
> list_move(>lru, _pages);
> }
>
Acked-by: Rafael Aquini
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On Wed, Aug 20, 2014 at 07:04:58PM +0400, Konstantin Khlebnikov wrote:
> This patch adds page state PageBallon() and functions __Set/ClearPageBalloon.
> Like PageBuddy() PageBalloon() looks like page-flag but actually this is
> special
> state of page->_mapcount counter. There is no conflict
able(page))) {
> - if (locked && balloon_page_isolate(page)) {
> + if (balloon_page_isolate(page)) {
> /* Successfully isolated */
> goto
7 @@ static int __unmap_and_move(struct page *page, struct
> page *newpage,
> }
> }
>
> - if (unlikely(balloon_page_movable(page))) {
> + if (unlikely(__is_movable_balloon_page(page))) {
> /*
>* A ballooned page does not need any special attention
alloon_compaction.h
> @@ -128,7 +128,7 @@ static inline bool page_flags_cleared(struct page *page)
> static inline bool __is_movable_balloon_page(struct page *page)
> {
> struct address_space *mapping = page->mapping;
> - return mapping_balloon(mapping);
> + return !Page
);
}
/*
Acked-by: Rafael Aquini aqu...@redhat.com
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,
}
}
- if (unlikely(balloon_page_movable(page))) {
+ if (unlikely(__is_movable_balloon_page(page))) {
/*
* A ballooned page does not need any special attention from
* physical to virtual reverse mapping procedures.
Acked-by: Rafael Aquini aqu
))) {
- if (locked balloon_page_isolate(page)) {
+ if (balloon_page_isolate(page)) {
/* Successfully isolated */
goto isolate_success;
}
Acked-by: Rafael
On Wed, Aug 20, 2014 at 07:04:58PM +0400, Konstantin Khlebnikov wrote:
This patch adds page state PageBallon() and functions __Set/ClearPageBalloon.
Like PageBuddy() PageBalloon() looks like page-flag but actually this is
special
state of page-_mapcount counter. There is no conflict because
);
list_move(page-lru, clean_pages);
}
Acked-by: Rafael Aquini aqu...@redhat.com
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On Wed, Aug 20, 2014 at 07:05:09PM +0400, Konstantin Khlebnikov wrote:
* move special branch for balloon migraion into migrate_pages
* remove special mapping for balloon and its flag AS_BALLOON_MAP
* embed struct balloon_dev_info into struct virtio_balloon
* cleanup balloon_page_dequeue, kill
essary.
>
> Or he can disable sysv entirely (as e.g. done by Android).
>
> Signed-off-by: Manfred Spraul
> ---
Acked-by: Rafael Aquini
> include/uapi/linux/sem.h | 18 +++---
> 1 file changed, 15 insertions(+), 3 deletions(-)
>
> diff --git a/include/ua
> namespace, which is less surprising.
>
> The patch updates
> - SysV msg
> - SysV sem
> - SysV shm
> - POSIX mqueues
>
> Cc: se...@hallyn.com
> Cc: ebied...@xmission.com
> Cc: contain...@lists.linux-foundation.org
> Cc: mtk.manpa...@gmail.com
>
>
hat calls msgrcv() is forced.
>
> Signed-off-by: Manfred Spraul
> ---
Acked-by: Rafael Aquini
> include/linux/ipc_namespace.h | 20 --
> include/uapi/linux/msg.h | 28 +
> ipc/Makefile | 2 +-
> ipc/ipc_sysctl.c
...@colorfullife.com
---
Acked-by: Rafael Aquini aqu...@redhat.com
include/linux/ipc_namespace.h | 20 --
include/uapi/linux/msg.h | 28 +
ipc/Makefile | 2 +-
ipc/ipc_sysctl.c | 86 +---
ipc
, which is less surprising.
The patch updates
- SysV msg
- SysV sem
- SysV shm
- POSIX mqueues
Cc: se...@hallyn.com
Cc: ebied...@xmission.com
Cc: contain...@lists.linux-foundation.org
Cc: mtk.manpa...@gmail.com
Signed-off-by: Manfred Spraul manf...@colorfullife.com
---
Acked-by: Rafael
...@colorfullife.com
---
Acked-by: Rafael Aquini aqu...@redhat.com
include/uapi/linux/sem.h | 18 +++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/include/uapi/linux/sem.h b/include/uapi/linux/sem.h
index 541fce0..dd73b90 100644
--- a/include/uapi/linux/sem.h
+++ b
On Fri, Aug 15, 2014 at 07:36:16AM +0400, Konstantin Khlebnikov wrote:
> Don't hurry. The code in this state for years.
> I'm working on patches for this, if everything goes well I'll show it today.
> As usual I couldn't stop myself from cleaning the mess, so it will be
> bigger than yours.
>
was forcing
compaction concurrently verything looked alright.
Sasha, could you give this a try to see if that reported KASAN warning
fades away, please?
Cheers,
-- Rafael
---8<---
From: Rafael Aquini
Subject: [PATCH v2] mm: balloon_compaction: enhance balloon_page_movable()
checkpoint against ra
On Thu, Aug 14, 2014 at 06:43:50PM -0300, Rafael Aquini wrote:
> On Thu, Aug 14, 2014 at 10:07:40PM +0400, Andrey Ryabinin wrote:
> > We discussed this with Konstantin and he suggested a better solution for
> > this.
> > If I understood him correctly the main idea was to stor
e won't need to check
> mapping->flags.
>
Here goes what I thought doing, following that suggestion of Konstantin and
yours. (I didn't tested it yet)
Comments are welcomed.
Cheers,
-- Rafael
8<
From: Rafael Aquini
Subject: mm: balloon_compaction: enhance balloon_p
On Thu, Aug 14, 2014 at 10:07:40PM +0400, Andrey Ryabinin wrote:
> 2014-08-14 19:13 GMT+04:00 Rafael Aquini :
> > It still a harmless condition as before, but considering what goes above
> > I'm now convinced & confident the patch proposed by Andrey is the real fix
>
On Wed, Aug 13, 2014 at 12:35:02PM -0300, Rafael Aquini wrote:
> On Sun, Aug 10, 2014 at 12:49:47PM +0400, Andrey Ryabinin wrote:
> > 2014-08-10 5:45 GMT+04:00 Sasha Levin :
> > > Hi all,
> > >
> > > While fuzzing with trinity inside a KVM tools guest running
On Wed, Aug 13, 2014 at 12:35:02PM -0300, Rafael Aquini wrote:
On Sun, Aug 10, 2014 at 12:49:47PM +0400, Andrey Ryabinin wrote:
2014-08-10 5:45 GMT+04:00 Sasha Levin sasha.le...@oracle.com:
Hi all,
While fuzzing with trinity inside a KVM tools guest running the latest
-next
On Thu, Aug 14, 2014 at 10:07:40PM +0400, Andrey Ryabinin wrote:
2014-08-14 19:13 GMT+04:00 Rafael Aquini aqu...@redhat.com:
It still a harmless condition as before, but considering what goes above
I'm now convinced confident the patch proposed by Andrey is the real fix
to check
mapping-flags.
Here goes what I thought doing, following that suggestion of Konstantin and
yours. (I didn't tested it yet)
Comments are welcomed.
Cheers,
-- Rafael
8
From: Rafael Aquini aqu...@redhat.com
Subject: mm: balloon_compaction: enhance balloon_page_movable
On Thu, Aug 14, 2014 at 06:43:50PM -0300, Rafael Aquini wrote:
On Thu, Aug 14, 2014 at 10:07:40PM +0400, Andrey Ryabinin wrote:
We discussed this with Konstantin and he suggested a better solution for
this.
If I understood him correctly the main idea was to store bit
identifying ballon
was forcing
compaction concurrently verything looked alright.
Sasha, could you give this a try to see if that reported KASAN warning
fades away, please?
Cheers,
-- Rafael
---8---
From: Rafael Aquini aqu...@redhat.com
Subject: [PATCH v2] mm: balloon_compaction: enhance balloon_page_movable()
checkpoint
On Fri, Aug 15, 2014 at 07:36:16AM +0400, Konstantin Khlebnikov wrote:
Don't hurry. The code in this state for years.
I'm working on patches for this, if everything goes well I'll show it today.
As usual I couldn't stop myself from cleaning the mess, so it will be
bigger than yours.
Sorry,
I
On Sun, Aug 10, 2014 at 12:49:47PM +0400, Andrey Ryabinin wrote:
> 2014-08-10 5:45 GMT+04:00 Sasha Levin :
> > Hi all,
> >
> > While fuzzing with trinity inside a KVM tools guest running the latest -next
> > kernel with the KASAN patchset, I've stumbled on the following spew:
> >
> >
> > [
On Sun, Aug 10, 2014 at 12:49:47PM +0400, Andrey Ryabinin wrote:
2014-08-10 5:45 GMT+04:00 Sasha Levin sasha.le...@oracle.com:
Hi all,
While fuzzing with trinity inside a KVM tools guest running the latest -next
kernel with the KASAN patchset, I've stumbled on the following spew:
[
make sysinfo(2) returned data consistent with our current API
documentation states.
Signed-off-by: Rafael Aquini
---
Changelog from v1:
- updated commit log message to include historical context (kosaki-san)
drivers/base/node.c | 2 +-
fs/proc/meminfo.c | 2 +-
mm/page_alloc.c | 3
documentation states.
Signed-off-by: Rafael Aquini aqu...@redhat.com
---
Changelog from v1:
- updated commit log message to include historical context (kosaki-san)
drivers/base/node.c | 2 +-
fs/proc/meminfo.c | 2 +-
mm/page_alloc.c | 3 ++-
3 files changed, 4 insertions(+), 3
On Wed, Jun 25, 2014 at 01:27:53PM -0700, Motohiro Kosaki wrote:
>
>
> > -Original Message-
> > From: Rafael Aquini [mailto:aqu...@redhat.com]
> > Sent: Wednesday, June 25, 2014 4:16 PM
> > To: Motohiro Kosaki
> > Cc: linux...@kvack.org; Andrew Morton
On Wed, Jun 25, 2014 at 12:41:17PM -0700, Motohiro Kosaki wrote:
>
>
> > -Original Message-
> > From: Rafael Aquini [mailto:aqu...@redhat.com]
> > Sent: Wednesday, June 25, 2014 2:40 PM
> > To: linux...@kvack.org
> > Cc: Andrew Morton; Rik van Riel; M
This patch leverages the addition of explicit accounting for pages used by
shmem/tmpfs -- "4b02108 mm: oom analysis: add shmem vmstat" -- in order to
make the users of sysinfo(2) and si_meminfo*() friends aware of that
vmstat entry consistently across the interfaces.
Signed-off-by: Raf
This patch leverages the addition of explicit accounting for pages used by
shmem/tmpfs -- 4b02108 mm: oom analysis: add shmem vmstat -- in order to
make the users of sysinfo(2) and si_meminfo*() friends aware of that
vmstat entry consistently across the interfaces.
Signed-off-by: Rafael Aquini
On Wed, Jun 25, 2014 at 12:41:17PM -0700, Motohiro Kosaki wrote:
-Original Message-
From: Rafael Aquini [mailto:aqu...@redhat.com]
Sent: Wednesday, June 25, 2014 2:40 PM
To: linux...@kvack.org
Cc: Andrew Morton; Rik van Riel; Mel Gorman; Johannes Weiner; Motohiro
Kosaki JP
On Wed, Jun 25, 2014 at 01:27:53PM -0700, Motohiro Kosaki wrote:
-Original Message-
From: Rafael Aquini [mailto:aqu...@redhat.com]
Sent: Wednesday, June 25, 2014 4:16 PM
To: Motohiro Kosaki
Cc: linux...@kvack.org; Andrew Morton; Rik van Riel; Mel Gorman; Johannes
Weiner
On Mon, Jun 16, 2014 at 01:14:22PM +0200, Michal Hocko wrote:
> On Mon 16-06-14 17:24:38, Xishi Qiu wrote:
> > When system(e.g. smart phone) running for a long time, the cache often takes
> > a large memory, maybe the free memory is less than 50M, then OOM will happen
> > if APP allocate a large
On Mon, Jun 16, 2014 at 01:14:22PM +0200, Michal Hocko wrote:
On Mon 16-06-14 17:24:38, Xishi Qiu wrote:
When system(e.g. smart phone) running for a long time, the cache often takes
a large memory, maybe the free memory is less than 50M, then OOM will happen
if APP allocate a large order
; Besides, the gap value is calculated against the per-zone "managed pages",
> not "present pages". This patch also corrects the comment and do some
> rephrasing.
>
> Signed-off-by: Jianyu Zhan
> ---
Acked-by: Rafael Aquini
> include/linux/swap.h | 8 +++
is calculated against the per-zone managed pages,
not present pages. This patch also corrects the comment and do some
rephrasing.
Signed-off-by: Jianyu Zhan nasa4...@gmail.com
---
Acked-by: Rafael Aquini aqu...@redhat.com
include/linux/swap.h | 8
mm/vmscan.c | 10
);
> +
> + if (unlikely(file + free <= high_wmark_pages(zone))) {
> + scan_balance = SCAN_ANON;
> + goto out;
> + }
> + }
> +
> + /*
>* There is enough inactive page cache, do not reclaim
>
On Tue, Apr 22, 2014 at 10:40:17AM -0400, Rik van Riel wrote:
> On 04/22/2014 07:57 AM, Christian Borntraeger wrote:
> > On 22/04/14 12:55, Christian Borntraeger wrote:
> >> While preparing/testing some KVM on s390 patches for the next merge window
> >> (target is kvm/next which is based on
On Tue, Apr 22, 2014 at 10:40:17AM -0400, Rik van Riel wrote:
On 04/22/2014 07:57 AM, Christian Borntraeger wrote:
On 22/04/14 12:55, Christian Borntraeger wrote:
While preparing/testing some KVM on s390 patches for the next merge window
(target is kvm/next which is based on 3.15-rc1) I
.
*/
--
1.9.2
Acked-by: Rafael Aquini aqu...@redhat.com
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Please read the FAQ at http
Should also give some improvements in regular (non-zswap) swap cases.
>
> Yes, hughd found significant speedup using regular swap, with several
> memcgs under pressure; and it should also be effective in the non-memcg
> case, whenever one or another zone LRU is forced too small.
>
> S
-by: Rafael Aquini aqu...@redhat.com
I apologize to everyone for holding on to this so long: I think it's
a very helpful patch (which we've been using in Google for months now).
Been sitting on my TODO list, now prompted to send by related patches
https://lkml.org/lkml/2014/3/13/217
https
t;
> To resolve this, do not force scan anon when file pages are low but
> instead rely on the scan/rotation ratios to make the right prediction.
>
> Signed-off-by: Johannes Weiner
> Cc: [3.12+]
> ---
Acked-by: Rafael Aquini
> mm/vmscan.c | 16 +---
> 1 f
but
instead rely on the scan/rotation ratios to make the right prediction.
Signed-off-by: Johannes Weiner han...@cmpxchg.org
Cc: sta...@kernel.org [3.12+]
---
Acked-by: Rafael Aquini aqu...@redhat.com
mm/vmscan.c | 16 +---
1 file changed, 1 insertion(+), 15 deletions(-)
diff
On Sun, Mar 09, 2014 at 12:46:42AM +0100, Stephan Mueller wrote:
> The header file includes the definition of:
>
> * DRBG data structures with
> - struct drbg_state as main structure
> - struct drbg_core referencing the backend ciphers
> - struct drbg_state_ops callbach handlers
On Sun, Mar 09, 2014 at 12:46:42AM +0100, Stephan Mueller wrote:
The header file includes the definition of:
* DRBG data structures with
- struct drbg_state as main structure
- struct drbg_core referencing the backend ciphers
- struct drbg_state_ops callbach handlers for
* Part of the reclaimable swap consists of items that are in use,
> + * Part of the reclaimable slab consists of items that are in use,
>* and cannot be freed. Cap this estimate at the low watermark.
>*/
> available += global_page_state(NR_SLAB_RECLAIMABLE) -
> --
On Thu, Feb 20, 2014 at 01:17:44PM -0500, Rik van Riel wrote:
> On 02/20/2014 01:14 PM, Dave Jones wrote:
> > On Thu, Feb 20, 2014 at 06:44:59PM +0100, Mateusz Guzik wrote:
> > > In use after free situations, it is possible for one thread to write to
> > > memory that has just been reallocated
On Thu, Feb 20, 2014 at 01:17:44PM -0500, Rik van Riel wrote:
On 02/20/2014 01:14 PM, Dave Jones wrote:
On Thu, Feb 20, 2014 at 06:44:59PM +0100, Mateusz Guzik wrote:
In use after free situations, it is possible for one thread to write to
memory that has just been reallocated to a new
,
+ * Part of the reclaimable slab consists of items that are in use,
* and cannot be freed. Cap this estimate at the low watermark.
*/
available += global_page_state(NR_SLAB_RECLAIMABLE) -
--
1.8.1.4
Acked-by: Rafael Aquini aqu...@redhat.com
--
To unsubscribe from
gt;
> diff --git a/fs/drop_caches.c b/fs/drop_caches.c
> index 9fd702f5bfb2..02ae3386e08f 100644
> --- a/fs/drop_caches.c
> +++ b/fs/drop_caches.c
> @@ -5,6 +5,7 @@
> #include
> #include
> #include
> +#include
> #include
> #includ
On Mon, Feb 03, 2014 at 07:53:34PM -0500, Johannes Weiner wrote:
> This code used to have its own lru cache pagevec up until a0b8cab3
> ("mm: remove lru parameter from __pagevec_lru_add and remove parts of
> pagevec API"). Now it's just add_to_page_cache() followed by
> lru_cache_add(), might as
On Mon, Feb 03, 2014 at 07:53:34PM -0500, Johannes Weiner wrote:
This code used to have its own lru cache pagevec up until a0b8cab3
(mm: remove lru parameter from __pagevec_lru_add and remove parts of
pagevec API). Now it's just add_to_page_cache() followed by
lru_cache_add(), might as well
)
drop_slab();
+ printk_ratelimited(KERN_INFO %s (%d): dropped kernel caches:
%d\n,
Just a nitpick here:
s/printk_ratelimited(KERN_INFO ...)/pr_info_ratelimited(...)
Acked-by: Rafael Aquini aqu...@redhat.com
+current-comm
On Fri, Feb 07, 2014 at 10:39:24AM -0500, Jeff Layton wrote:
> On Fri, 7 Feb 2014 13:19:54 -0200
> Rafael Aquini wrote:
>
> > Changes committed by "a0b8cab3 mm: remove lru parameter from
> > __pagevec_lru_add and remove parts of pagevec API" have introduced
>
a refcount
add_to_page_cache_lru() is grabbing.
Signed-off-by: Jan Stancek
Signed-off-by: Rafael Aquini
---
fs/nfs/dir.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index be38b57..4a48fe4 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1846,6 +1846,11 @@ int n
add_to_page_cache_lru() is grabbing.
Signed-off-by: Jan Stancek jstan...@redhat.com
Signed-off-by: Rafael Aquini aqu...@redhat.com
---
fs/nfs/dir.c | 5 +
1 file changed, 5 insertions(+)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index be38b57..4a48fe4 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
On Fri, Feb 07, 2014 at 10:39:24AM -0500, Jeff Layton wrote:
On Fri, 7 Feb 2014 13:19:54 -0200
Rafael Aquini aqu...@redhat.com wrote:
Changes committed by a0b8cab3 mm: remove lru parameter from
__pagevec_lru_add and remove parts of pagevec API have introduced
a call
On Fri, Jan 10, 2014 at 01:32:10PM +0100, Clemens Ladisch wrote:
> Stephan Mueller wrote:
> > Am Freitag, 10. Januar 2014, 12:37:26 schrieb Clemens Ladisch:
> >> Stephan Mueller wrote:
> >>> Am Freitag, 10. Januar 2014, 09:13:57 schrieb Clemens Ladis
On Fri, Jan 10, 2014 at 01:32:10PM +0100, Clemens Ladisch wrote:
Stephan Mueller wrote:
Am Freitag, 10. Januar 2014, 12:37:26 schrieb Clemens Ladisch:
Stephan Mueller wrote:
Am Freitag, 10. Januar 2014, 09:13:57 schrieb Clemens Ladisch:
Rafael Aquini wrote:
This patch introduces changes
* In general, page_zone(page)->lock must be held by the caller to prevent
> + * the page being allocated in parallel and returning garbage as the order.
> + * If the caller does not hold page_zone(page), they must guarantee that
> + * the page cannot be allocated or merged in parallel
does not hold page_zone(page), they must guarantee that
+ * the page cannot be allocated or merged in parallel.
*/
static inline unsigned long page_order(struct page *page)
{
Acked-by: Rafael Aquini aqu...@redhat.com
--
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On Fri, Jan 10, 2014 at 12:37:26PM +0100, Clemens Ladisch wrote:
> Stephan Mueller wrote:
> > Am Freitag, 10. Januar 2014, 09:13:57 schrieb Clemens Ladisch:
> >> Rafael Aquini wrote:
> >>> This patch introduces changes to the random_write method so it can
> >&g
On Fri, Jan 10, 2014 at 12:37:26PM +0100, Clemens Ladisch wrote:
Stephan Mueller wrote:
Am Freitag, 10. Januar 2014, 09:13:57 schrieb Clemens Ladisch:
Rafael Aquini wrote:
This patch introduces changes to the random_write method so it can
split the given seed and completely stir
tput pools with different halves of it,
when seed lenght allows us doing so.
Signed-off-by: Rafael Aquini
---
Suggested by Stephan Mueller
drivers/char/random.c | 38 --
1 file changed, 32 insertions(+), 6 deletions(-)
diff --git a/drivers/char/random.c b/drivers/cha
halves of it,
when seed lenght allows us doing so.
Signed-off-by: Rafael Aquini aqu...@redhat.com
---
Suggested by Stephan Mueller stephan.muel...@atsec.com
drivers/char/random.c | 38 --
1 file changed, 32 insertions(+), 6 deletions(-)
diff --git a/drivers
ated by
> scripts/checkpatch.pl -f --fix \
> --types=pointer_location,spacing,space_before_tab
> - one manual fixup (keep structure members tab-aligned)
>
> diff -w is empty.
> Tested with some msg and sem test apps.
>
> Signed-off-by: Manfred Spraul
> Cc: Joe Perches
>
=pointer_location,spacing,space_before_tab
- one manual fixup (keep structure members tab-aligned)
diff -w is empty.
Tested with some msg and sem test apps.
Signed-off-by: Manfred Spraul manf...@colorfullife.com
Cc: Joe Perches j...@perches.com
---
Acked-by: Rafael Aquini aqu...@redhat.com
On Thu, Dec 19, 2013 at 03:23:02PM -0200, Rafael Aquini wrote:
> struct kern_ipc_perm.deleted is meant to be used as a boolean toogle, and
> the changes introduced by this patch are just to make the case explicit.
>
> Signed-off-by: Rafael Aquini
s/toogle/toggle
my bad, sorry. sh
struct kern_ipc_perm.deleted is meant to be used as a boolean toogle, and
the changes introduced by this patch are just to make the case explicit.
Signed-off-by: Rafael Aquini
---
* a quick sidenote: this patch goes on top of the recently posted
[PATCH v3] ipc: introduce ipc_valid_object
struct kern_ipc_perm.deleted is meant to be used as a boolean toogle, and
the changes introduced by this patch are just to make the case explicit.
Signed-off-by: Rafael Aquini aqu...@redhat.com
---
* a quick sidenote: this patch goes on top of the recently posted
[PATCH v3] ipc: introduce
On Thu, Dec 19, 2013 at 03:23:02PM -0200, Rafael Aquini wrote:
struct kern_ipc_perm.deleted is meant to be used as a boolean toogle, and
the changes introduced by this patch are just to make the case explicit.
Signed-off-by: Rafael Aquini aqu...@redhat.com
s/toogle/toggle
my bad, sorry
On Wed, Dec 18, 2013 at 04:38:24PM -0800, Davidlohr Bueso wrote:
> On Wed, 2013-12-18 at 18:33 -0200, Rafael Aquini wrote:
> > After the locking semantics for the SysV IPC API got improved, a couple of
> > IPC_RMID race windows were opened because we en
sections.
This patch introduces ipc_valid_object() to consolidate the way we cope with
IPC_RMID races by using the same abstraction across the API implementation.
Signed-off-by: Rafael Aquini
Acked-by: Rik van Riel
Acked-by: Greg Thelen
---
Changelog:
* v3:
- code commentary changes as requested
On Wed, Dec 18, 2013 at 07:46:27AM -0800, Davidlohr Bueso wrote:
> On Wed, 2013-12-18 at 10:51 -0200, Rafael Aquini wrote:
> > On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
> > > On 12/18/2013 12:28 AM, Rafael Aquini wrote:
> > > >After the locking
On Wed, Dec 18, 2013 at 07:46:27AM -0800, Davidlohr Bueso wrote:
> On Wed, 2013-12-18 at 10:51 -0200, Rafael Aquini wrote:
> > On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
> > > On 12/18/2013 12:28 AM, Rafael Aquini wrote:
> > > >After the locking
On Wed, Dec 18, 2013 at 10:50:59AM -0200, Rafael Aquini wrote:
> On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
> > On 12/18/2013 12:28 AM, Rafael Aquini wrote:
> > >After the locking semantics for the SysV IPC API got improved, a couple of
> > >IPC_RM
On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
> On 12/18/2013 12:28 AM, Rafael Aquini wrote:
> >After the locking semantics for the SysV IPC API got improved, a couple of
> >IPC_RMID race windows were opened because we ended up dropping the
> >'kern_ip
On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
On 12/18/2013 12:28 AM, Rafael Aquini wrote:
After the locking semantics for the SysV IPC API got improved, a couple of
IPC_RMID race windows were opened because we ended up dropping the
'kern_ipc_perm.deleted' check performed way
On Wed, Dec 18, 2013 at 10:50:59AM -0200, Rafael Aquini wrote:
On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
On 12/18/2013 12:28 AM, Rafael Aquini wrote:
After the locking semantics for the SysV IPC API got improved, a couple of
IPC_RMID race windows were opened because we
On Wed, Dec 18, 2013 at 07:46:27AM -0800, Davidlohr Bueso wrote:
On Wed, 2013-12-18 at 10:51 -0200, Rafael Aquini wrote:
On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
On 12/18/2013 12:28 AM, Rafael Aquini wrote:
After the locking semantics for the SysV IPC API got
On Wed, Dec 18, 2013 at 07:46:27AM -0800, Davidlohr Bueso wrote:
On Wed, 2013-12-18 at 10:51 -0200, Rafael Aquini wrote:
On Wed, Dec 18, 2013 at 01:11:29PM +0100, Manfred Spraul wrote:
On 12/18/2013 12:28 AM, Rafael Aquini wrote:
After the locking semantics for the SysV IPC API got
sections.
This patch introduces ipc_valid_object() to consolidate the way we cope with
IPC_RMID races by using the same abstraction across the API implementation.
Signed-off-by: Rafael Aquini aqu...@redhat.com
Acked-by: Rik van Riel r...@redhat.com
Acked-by: Greg Thelen gthe...@google.com
On Wed, Dec 18, 2013 at 04:38:24PM -0800, Davidlohr Bueso wrote:
On Wed, 2013-12-18 at 18:33 -0200, Rafael Aquini wrote:
After the locking semantics for the SysV IPC API got improved, a couple of
IPC_RMID race windows were opened because we ended up dropping the
'kern_ipc_perm.deleted
sections.
This patch introduces ipc_valid_object() to consolidate the way we cope with
IPC_RMID races by using the same abstraction across the API implementation.
Signed-off-by: Rafael Aquini
Acked-by: Rik van Riel
Acked-by: Greg Thelen
---
Changelog:
* v2:
- drop assert_spin_locked() from
On Tue, Dec 17, 2013 at 02:18:02PM -0800, Davidlohr Bueso wrote:
> On Tue, 2013-12-17 at 19:46 -0200, Rafael Aquini wrote:
> > On Tue, Dec 17, 2013 at 01:27:49PM -0800, Davidlohr Bueso wrote:
> > > Ccing Manfred.
> > >
> > > On Tue, 2013-12-17 at 17:03 -0200
On Tue, Dec 17, 2013 at 01:27:49PM -0800, Davidlohr Bueso wrote:
> Ccing Manfred.
>
> On Tue, 2013-12-17 at 17:03 -0200, Rafael Aquini wrote:
> > After the locking semantics for the SysV IPC API got improved, a couple of
> > IPC_RMID race windows were opened because
sections.
This patch introduces ipc_valid_object() to consolidate the way we cope with
IPC_RMID races by using the same abstraction across the API implementation.
Signed-off-by: Rafael Aquini
---
ipc/msg.c | 7 ---
ipc/sem.c | 8
ipc/shm.c | 16
ipc/util.h | 13
sections.
This patch introduces ipc_valid_object() to consolidate the way we cope with
IPC_RMID races by using the same abstraction across the API implementation.
Signed-off-by: Rafael Aquini aqu...@redhat.com
---
ipc/msg.c | 7 ---
ipc/sem.c | 8
ipc/shm.c | 16
On Tue, Dec 17, 2013 at 01:27:49PM -0800, Davidlohr Bueso wrote:
Ccing Manfred.
On Tue, 2013-12-17 at 17:03 -0200, Rafael Aquini wrote:
After the locking semantics for the SysV IPC API got improved, a couple of
IPC_RMID race windows were opened because we ended up dropping
On Tue, Dec 17, 2013 at 02:18:02PM -0800, Davidlohr Bueso wrote:
On Tue, 2013-12-17 at 19:46 -0200, Rafael Aquini wrote:
On Tue, Dec 17, 2013 at 01:27:49PM -0800, Davidlohr Bueso wrote:
Ccing Manfred.
On Tue, 2013-12-17 at 17:03 -0200, Rafael Aquini wrote:
After the locking
sections.
This patch introduces ipc_valid_object() to consolidate the way we cope with
IPC_RMID races by using the same abstraction across the API implementation.
Signed-off-by: Rafael Aquini aqu...@redhat.com
Acked-by: Rik van Riel r...@redhat.com
Acked-by: Greg Thelen gthe...@google.com
+ * unlike -EAGAIN case, the failed page is
> + * removed from migration page list and not
> + * retried in the next outer loop.
> + */
> nr_failed++;
&
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