age() and addition to the lru list.
So if we extract the page from radix_tree now we can be sure that
it is already on lru list and page refcounter increased.
https://jira.sw.ru/browse/PSBM-63197
Signed-off-by: Andrey Ryabinin
---
mm/tcache.c | 6 ++
1 file changed, 2 insertions(+), 4 deletions
calling invalidate_inode_pages2_range() regardless of nrpages
value. And if nrpages is zero, bail out from invalidate_inode_pages2_range()
only after cleancache_invalidate_inode(), so that we invalidate cleancache
but still avoid pointless page cache lookups.
https://jira.sw.ru/browse/PSBM-63908
Signed-off-by: Andrey
On 04/11/2017 08:08 PM, Alexey Kuznetsov wrote:
> Hello!
>
> Good job!
>
> Before submitting this to mainstream look
> at truncate_inode_pages.
>
> It has condition:
>
> if (mapping->nrpages == 0 && mapping->nrexceptional == 0)
> return;
>
> I have no idea what are those except
invalidate_bdev() calls cleancache_invalidate_inode() iff ->nrpages != 0
which doen't make any sense.
Make invalidate_bdev() always invalidate cleancache data.
https://jira.sw.ru/browse/PSBM-63908
Signed-off-by: Andrey Ryabinin
---
fs/block_dev.c | 12 ++--
1 file changed, 6 in
/browse/PSBM-63908
Signed-off-by: Andrey Ryabinin
---
mm/truncate.c | 13 +++--
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/mm/truncate.c b/mm/truncate.c
index ce4b1d8..1db0425 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -285,9 +285,8 @@ void truncate_inode_pages_range
calling invalidate_inode_pages2_range() regardless of nrpages
value. And if nrpages is zero, bail out from invalidate_inode_pages2_range()
only after cleancache_invalidate_inode(), so that we invalidate cleancache
but still avoid pointless page cache lookups.
https://jira.sw.ru/browse/PSBM-63908
Signed-off-by: Andrey
On 04/12/2017 05:45 PM, Andrey Ryabinin wrote:
> On 04/11/2017 08:08 PM, Alexey Kuznetsov wrote:
>> Hello!
>>
>> Good job!
>>
>> Before submitting this to mainstream look
>> at truncate_inode_pages.
>>
>> It has condition:
>>
&g
cg reclaim and use it in
tcache to distinguish global recalaim from per-memcg recalim.
Signed-off-by: Andrey Ryabinin
---
include/linux/sched.h | 1 +
mm/tcache.c | 2 +-
mm/vmscan.c | 4 ++--
3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/include/linux/sched.h
lso set during
memcg reclaim.
Use new PF_MEMCG_RECLAIM instead of PF_MEMALLOC to identify per-memcg
recalim to avoid populating tswap during global reclaim
Signed-off-by: Andrey Ryabinin
---
mm/tswap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/tswap.c b/mm/tswap.c
in
hole in the extent tree as we will need this information in
ext4_ext_map_blocks() as well.
Signed-off-by: Jan Kara
Signed-off-by: Theodore Ts'o
https://jira.sw.ru/browse/PSBM-65551
Signed-off-by: Andrey Ryabinin
---
fs/ext4/extents.c
extents.
Signed-off-by: Jan Kara
Signed-off-by: Theodore Ts'o
https://jira.sw.ru/browse/PSBM-65551
Signed-off-by: Andrey Ryabinin
---
fs/ext4/ext4.h | 3 ++
fs/ext4/file.c | 97 +
fs/ext4/inode.c
This reverts commit a8b68fd3911361dbaf66da6786eb3a6d472177c6.
We are going to apply a better fix for seek_data slowness,
so this commit is no longer needed.
https://jira.sw.ru/browse/PSBM-65551
Signed-off-by: Andrey Ryabinin
---
fs/ext4/file.c | 12 +---
1 file changed, 1 insertion
Ts'o
https://jira.sw.ru/browse/PSBM-65551
Signed-off-by: Andrey Ryabinin
---
fs/ext4/extents.c | 11 +--
fs/ext4/indirect.c | 19 +--
fs/ext4/inode.c| 15 ++-
3 files changed, 36 insertions(+), 9 deletions(-)
diff --git a/fs/ext4/extents.c b/fs
; Konstantin Khorenko,
> Virtuozzo Linux Kernel Team
>
> On 04/03/2017 12:52 PM, Konstantin Khorenko wrote:
>> On 03/31/2017 06:34 PM, Andrey Ryabinin wrote:
>>>
>>>
>>> On 03/29/2017 03:32 PM, Konstantin Khorenko wrote:
>>>> Andrey, did you send it t
chain, when in fact it was freed. Notably
stable_node_chain_add_dup(page_node, stable_node) would run on a
stable stable_node.
Andrey Ryabinin found the source of the use after free in
chain_prune().
Reported-by: Andrey Ryabinin
Reported-by: Evgheni Dereveanchin
Signed-off-by: Andrea Arcangeli
ned-off-by: Andrey Ryabinin
---
mm/ksm.c | 732 +--
1 file changed, 666 insertions(+), 66 deletions(-)
diff --git a/mm/ksm.c b/mm/ksm.c
index ecdd302fbe78..5311d3c38124 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -126,9 +126,12 @@ struc
troduce mmap_compat_base() for 32-bit mmap()
> ms/x86/mm: Make mmap(MAP_32BIT) work correctly
> ms/x86/hugetlb: Adjust to the new native/compat mmap bases
> x86/mm: Make in_compat_syscall() work during exec
>
> Kees Cook (2):
> ms/x86: standardize mmap_rnd() usage
> m
onotonic time.
Make uts_arch_setup_additional_pages()/uts_prep_vdso_pages_locked() to always
setup new vdso, since previous policy to setup vdso only if uts_ns->name.release
wouldn't work for virtualized __vdso_clock_gettime()
https://jira.sw.ru/browse/PSBM-66451
Signed-off-by: Andrey Ry
This reverts commit 97fb49e1c44ce50390d1aa27bc1badda2962b68d.
We don't need this sysctl anymore because __vdso_gettime for monotonic
clocks in containers works fine now.
https://jira.sw.ru/browse/PSBM-66451
Signed-off-by: Andrey Ryabinin
---
arch/x86/include/asm/vgtod.h | 1 -
arc
On 05/24/2017 07:29 PM, Dmitry Safonov wrote:
> On 05/24/2017 06:21 PM, Andrey Ryabinin wrote:
>> We already have infrastructure for virtualized vdso, however we use
>> it only to change LINUX_VERSION_NAME in container. Simply store container's
>> start time - ve->st
On 05/24/2017 07:38 PM, Dmitry Safonov wrote:
> On 05/24/2017 07:34 PM, Andrey Ryabinin wrote:
>>
>>
>> On 05/24/2017 07:29 PM, Dmitry Safonov wrote:
>>> On 05/24/2017 06:21 PM, Andrey Ryabinin wrote:
>>>> We already have infrastructure for virtualized v
On 05/25/2017 11:42 AM, Dmitry Safonov wrote:
> On 05/24/2017 07:45 PM, Dmitry Safonov wrote:
>> On 05/24/2017 07:45 PM, Andrey Ryabinin wrote:
>>>
>>>
>>> On 05/24/2017 07:38 PM, Dmitry Safonov wrote:
>>>> On 05/24/2017 07:34 PM, Andrey Ryabinin
.
>
> https://jira.sw.ru/browse/PSBM-66468
>
> Signed-off-by: Stanislav Kinsburskiy
Acked-by: Andrey Ryabinin
> ---
> include/net/tcp.h |2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/net/tcp.h b/include/net/tcp.h
> index d64d30b..f2b484
]
[] ploop_req_state_process+0x1f7d/0x3870 [ploop]
[] ploop_thread+0x66e/0x1170 [ploop]
[] kthread+0x1e6/0x250
[] ret_from_fork+0x58/0x90
Add cond_resched() on each iteration of the ploop_thread() to fix that.
https://jira.sw.ru/browse/PSBM-66617
Signed-off-by: Andrey Ryabinin
---
drivers/block/ploop/dev.c | 22
-1-git-send-email-dvyu...@google.com
Signed-off-by: Dmitry Vyukov
Acked-by: Catalin Marinas
Cc: Andrey Ryabinin
Cc: Alexander Potapenko
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
Found during investigating https://jira.sw.ru/browse/PSBM-66617
Signed-off-by: Andrey Ryabinin
ximal possible value for page
counters.
Reported-by: Vladimir Meshkov
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c | 10 +++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index fff4cb021b6c..66d51b7b07c5 100644
--- a/mm/memcontrol.c
+++
andle this situation and inform user-space about this.
*Implementation:
Add uevent infrastructure similar to dm uevent
FS_ACTION = {MOUNT|UMOUNT|REMOUNT|ERROR|FREEZE|UNFREEZE}
FS_UUID
FS_NAME
FS_TYPE
Signed-off-by: Dmitry Monakhov
https://jira.sw.ru/browse/PSBM-66618
Signed-off-by: Andrey Rya
-27736-1-git-send-email-roy.qing...@gmail.com
Signed-off-by: Li RongQing
Acked-by: Vladimir Davydov
Acked-by: Michal Hocko
Cc: Johannes Weiner
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-67076
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c |
andle this situation and inform user-space about this.
*Implementation:
Add uevent infrastructure similar to dm uevent
FS_ACTION = {MOUNT|UMOUNT|REMOUNT|ERROR|FREEZE|UNFREEZE}
FS_UUID
FS_NAME
FS_TYPE
Signed-off-by: Dmitry Monakhov
https://jira.sw.ru/browse/PSBM-66618
Signed-off-by: Andrey Rya
This allows container's root to change immutable and append only
attributes on files.
https://jira.sw.ru/browse/PSBM-60148
Signed-off-by: Andrey Ryabinin
---
fs/ext4/ioctl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 117d89d
andle this situation and inform user-space about this.
*Implementation:
Add uevent infrastructure similar to dm uevent
FS_ACTION = {MOUNT|UMOUNT|REMOUNT|ERROR|FREEZE|UNFREEZE}
FS_UUID
FS_NAME
FS_TYPE
Signed-off-by: Dmitry Monakhov
https://jira.sw.ru/browse/PSBM-66618
Signed-off-by: Andrey Rya
node[i].memcg_lrus,
which is NULL.
[a...@linux-foundation.org: add comment]
Signed-off-by: Alexander Polakov
Acked-by: Vladimir Davydov
Cc: Al Viro
Cc:
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-67300
Signed-off-by: Andrey Ryabinin
---
mm/list_lru
On 06/20/2017 07:49 PM, Konstantin Khorenko wrote:
> Kirill, Andrey, what is about Dima's comment?
>
We've had an offline discussion and Dima is agreed that the GFP_KERNEL is
totally ok here.
>> +int ext4_send_uevent(struct super_block *sb, enum ext4_event_type action)
>> +{
>> +int ret;
ngo Molnar
Signed-off-by: Andrey Ryabinin
---
arch/x86/include/asm/segment.h | 14 --
arch/x86/kernel/head64.c | 2 +-
arch/x86/kernel/head_32.S | 33 ++---
arch/x86/kernel/head_64.S | 20 +++-
4 files changed, 42 insertions(
browse/PSBM-68050
>
> Fixes: commit 25960eecc77e ("ve/vdso: virtualized monotonic gettime
> through vdso") and commit 481382a5f63e ("vdso32: Fix monotonic time
> virtualization for ia32)".
> Cc: Andrey Ryabinin
> Signed-off-by: Dmitry Safonov
Acked-by: Andrey Ry
-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
Signed-off-by: Jiri Slaby
Signed-off-by: Andrey Ryabinin
---
mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1b4471ef42e..7b24537448b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
by: Felipe Contreras
Pinpointed-by: Hillf Danton
Cc: Michal Hocko
Cc: Andrew Morton
Cc: Mel Gorman
Signed-off-by: Linus Torvalds
Signed-off-by: Michal Hocko
Signed-off-by: Jiri Slaby
Signed-off-by: Andrey Ryabinin
---
mm/vmscan.c | 11 +--
1 file changed, 5 insertions(+), 6 deletions
already been used for anonymous memory.
[han...@cmpxchg.org: cgroup-awareness]
Signed-off-by: Rik van Riel
Signed-off-by: Johannes Weiner
Reported-by: Andres Freund
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-68029
Signed-off-by: Andrey Ryabinin
g/r/20170404220052.27593-1-han...@cmpxchg.org
Signed-off-by: Johannes Weiner
Cc: Rik van Riel
Cc: Mel Gorman
Cc: Michal Hocko
Cc: Vladimir Davydov
Cc: [4.7+]
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-68029
Signed-off-by:
t;
> Raghavendra K T (1):
> x86/spinlocks/paravirt: Fix memory corruption on unlock
>
Acked-by: Andrey Ryabinin
> arch/x86/include/asm/spinlock.h | 114
> ++--
> arch/x86/kernel/kvm.c | 13 +++--
> arch/x86/xen/spinlock
invalidate it. So when we put the page,
slot in tcache page_tree should be already empty.
Just in case add WARN_ON(err == -EXISTS) to catch such not supposed
to happen situations.
https://jira.sw.ru/browse/PSBM-64727
Signed-off-by: Andrey Ryabinin
---
mm/tcache.c | 44
95 K/sec
19,355 page-faults #0.002 M/sec
255.423624009 seconds time elapsed
https://jira.sw.ru/browse/PSBM-64727
Signed-off-by: Andrey Ryabinin
---
mm/tcache.c | 206 +---
1 file changed, 129 insertions(+), 77
On 07/19/2017 04:14 AM, Andrei Vagin wrote:
> From: Andrei Vagin
>
> task_work_run() has to be called before exit_task_namespaces(),
> because fuse_abort_conn() is called from __fput(). If it will not
> be executed, we can hang in request_wait_answer(). We have seen this
> situation when a proc
o
the ve0 from other ve's to fix this
https://jira.sw.ru/browse/PSBM-68710
Signed-off-by: Andrey Ryabinin
Cc: Cyrill Gorcunov
---
lib/kobject_uevent.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 2ef1e157400..f67
On 07/21/2017 10:23 AM, Stanislav Kinsburskiy wrote:
> Signed-off-by: Stanislav Kinsburskiy
> ---
> net/ipv4/ip_sockglue.c |7 +++
> 1 file changed, 7 insertions(+)
>
> diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
> index bcca7f3..316b477 100644
> --- a/net/ipv4/ip_sock
On 07/21/2017 03:06 PM, Stanislav Kinsburskiy wrote:
> v2:
> 1) Return ENOPROTOOPT instead of ENOENT from ip_setsockopt
>
> Signed-off-by: Stanislav Kinsburskiy
> ---
> net/ipv4/ip_sockglue.c |7 +++
> 1 file changed, 7 insertions(+)
>
> diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/
On 07/21/2017 04:29 PM, Stanislav Kinsburskiy wrote:
>>> @@ -1424,6 +1428,9 @@ int ip_getsockopt(struct sock *sk, int level,
>>> if (get_user(len, optlen))
>>> return -EFAULT;
>>>
>>> + if (!ve_ipt_permitted(net, VE_IP_FILTER))
>>> + re
ilter/iptable_filter.c |6 --
> net/ipv6/netfilter/ip6_tables.c |6 --
> net/ipv6/netfilter/ip6table_filter.c |6 --
> net/netfilter/x_tables.c | 10 +++---
> 7 files changed, 17 insertions(+), 26 deletions(-)
>
Reviewed-by: Andrey Ryabini
On 07/25/2017 11:28 AM, Dmitry Monakhov wrote:
> It can be any workqueue I've pick rsv_conversion_wq because it is
> already exists.
>
Ugh, why not system_wq?
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out racy sysctl_vfs_cache_min_ratio updates.
https://jira.sw.ru/browse/PSBM-69018
Signed-off-by: Andrey Ryabinin
---
fs/super.c | 5 +++--
mm/memcontrol.c | 6 +-
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/fs/super.c b/fs/super.c
index 7470621cbf4..9915a9bcd3a 100644
ing a single load instead of itearting
over all cpus.
https://jira.sw.ru/browse/PSBM-68644
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c | 108 +++-
1 file changed, 84 insertions(+), 24 deletions(-)
diff --git a/mm/memcontrol.c
out racy sysctl_vfs_cache_min_ratio updates.
https://jira.sw.ru/browse/PSBM-69018
Signed-off-by: Andrey Ryabinin
---
Changes since v1:
- Pass vfs_cache_min_ratio into mem_cgroup_dcache_is_low() to
get rid of load+branch.
fs/super.c | 7 ---
include/linux/memc
process_one_work+0x740/0x1910
worker_thread+0x413/0xbf0
kthread+0x1e6/0x250
ret_from_fork+0x58/0x90
Call percpu_counter_destroy() from ___mem_cgroup_free() to fix this.
https://jira.sw.ru/browse/PSBM-69145
Fixes: 6c37dde54e88 ("mm/memcg: improve mem_cgroup_dcache_is_low()
p
ached.
If can't reclaim anything allocation will fail as before, but won't
trigger the global OOM killer, only per-memcg OOM kill.
https://jira.sw.ru/browse/PSBM-68242
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c | 87 -
1 f
ensitive caller -
dcache_is_low().
https://jira.sw.ru/browse/PSBM-69332
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c | 15 +++
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 19af6a9d9fc8..5ab5e82c924e 100644
--- a/mm/memcon
memcg_numa_isolate_pages() calls list_del() inside list_for_each_entry()
causing crashes. Use list_for_each_entry_safe() instead as it's safe
against removal of list entries.
https://jira.sw.ru/browse/PSBM-6
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c | 4 ++--
1 file chang
On 08/15/2017 02:23 PM, Kirill Tkhai wrote:
> Grab pool using RCU technics, and do not use ni->lock.
> This refactors the function and will be used in further.
>
> Signed-off-by: Kirill Tkhai
> ---
> mm/tcache.c | 36
> 1 file changed, 28 insertions(+), 8 d
On 08/15/2017 03:42 PM, Stanislav Kinsburskiy wrote:
> These are precursor helpers, which will hide all the containerization magic.
>
> Signed-off-by: Stanislav Kinsburskiy
> ---
> drivers/connector/cn_proc.c | 57
> +--
> 1 file changed, 44 insertions(
On 08/15/2017 03:56 PM, Stanislav Kinsburskiy wrote:
> Signed-off-by: Stanislav Kinsburskiy
> ---
> drivers/connector/cn_proc.c | 17 +
> 1 file changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
> index c5bd47
On 08/15/2017 04:58 PM, Stanislav Kinsburskiy wrote:
>
>
> 15.08.2017 16:52, Andrey Ryabinin пишет:
>> On 08/15/2017 03:42 PM, Stanislav Kinsburskiy wrote:
>>> These are precursor helpers, which will hide all the containerization magic.
>>>
>>
On 08/15/2017 05:20 PM, Stanislav Kinsburskiy wrote:
>>>
>>
>> E.g. we have listener on host, i.e. with all init namespaces. And we also
>> have listener in some container.
>> Let's say we have task "A" in the container which have global pid 10 and pid
>> 3 in container.
>> So if "A" forks, the
_pmd()
- pmd_dirty() is not available; check the page flags as in
can_follow_write_pte()
- Adjust context]
Signed-off-by: Ben Hutchings
[mhocko:
This has been forward ported from the 3.2 stable tree.
And fixed to return NULL.]
Reviewed-by: Michal Hocko
Signed-off-by: Jiri Slaby
Signed-
_pmd()
- pmd_dirty() is not available; check the page flags as in
can_follow_write_pte()
- Adjust context]
Signed-off-by: Ben Hutchings
[mhocko:
This has been forward ported from the 3.2 stable tree.
And fixed to return NULL.]
Reviewed-by: Michal Hocko
Signed-off-by: Jiri Slaby
Signed-
https://jira.sw.ru/browse/PSBM-70151
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On 08/16/2017 02:52 PM, Kirill Tkhai wrote:
>
> @@ -242,6 +250,7 @@ static inline void __tcache_check_events(struct
> tcache_nodeinfo *ni,
>
> rb_erase(&pni->reclaim_node, &ni->reclaim_tree);
> __tcache_insert_reclaim_node(ni, pni);
> + update_ni_rb_first(ni);
Either add u
On 08/16/2017 02:53 PM, Kirill Tkhai wrote:
> Make the function return true, when erase-insert (requeue)
> should be executed. Move erase-insert out of the function.
>
> Signed-off-by: Kirill Tkhai
> ---
> /*
> @@ -277,11 +274,12 @@ static void tcache_lru_add(struct tcache_pool *pool,
> stru
On 08/16/2017 02:53 PM, Kirill Tkhai wrote:
> This patch completes splitting of ni->lock into ni->lock and pni->lock.
> Now, global ni->lock is used for inserting in tcache_nodeinfo::reclaim_tree,
> which happen just on every 1024 inserting or erasing of pages.
> For other LRU operations is used
e: Make tcache_nodeinfo::nr_pages atomic_long_t
> tcache: Use ni->lock only for inserting and erasing from rbtree.
> tcache: Move add/sub out of pni->lock
>
>
> mm/tcache.c | 138
> ---
> 1 file changed,
drivers/connector/cn_proc.c | 386
> -
> drivers/connector/connector.c | 155
> include/linux/connector.h | 20 ++
> include/linux/ve.h|4
> 4 files changed, 323 insertions(+), 242 deletions(-)
>
> --
> Signed-off-by: Kirill Tkhai
>
Acked-by: Andrey Ryabinin
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https://jira.sw.ru/browse/PSBM-69226
Signed-off-by: Andrey Ryabinin
---
include/linux/memcontrol.h | 10 ++
include/linux/swap.h | 2 +-
mm/memcontrol.c| 30 --
mm/vmscan.c| 31 ---
4 files change
ly how many pages each shrinker represents,
it's objects are all the information we need. Making this change allows
us to place an appropriate amount of pressure on the shrinker pools for
their relative size.
Signed-off-by: Josef Bacik
https://jira.sw.ru/browse/PSBM-69226
Signed-off-by: Andrey Rya
On 08/28/2017 12:02 PM, Stanislav Kinsburskiy wrote:
>
>
> 25.08.2017 18:38, Andrey Ryabinin пишет:
>> If kmem limit on memcg reached, we go into memory reclaim,
>> and reclaim everything we can, including page cache and anon.
>> Reclaiming page cache or anon won&#x
Rebased "ms/mm: remove rest usage of VM_NONLINEAR and pte_file()"
removed huge hunk from copy_one_pte for no reason. Bring it back
https://jira.sw.ru/browse/PSBM-70740
Fixes: be8e22c9c444 ("ms/mm: remove rest usage of VM_NONLINEAR and pte_file()")
Signed-off-by: Andrey Ryabin
From: Andrey Ryabinin
commit 769a8089c1fd2fe94c13e66fe6e03d7820953ee3 upstream.
In not-instrumented code KASAN replaces instrumented memset/memcpy/memmove
with not-instrumented analogues __memset/__memcpy/__memove.
However, on x86 the EFI stub is not linked with the kernel. It uses
not
This hunk shoud have been in the following patch:
796752003a42b70d1f32eb5771885f59febada0d
Author: Andrey Ryabinin
Date: Thu Sep 3 19:27:42 2015 +0400
ms/x86_64: kasan: add interceptors for memset/memmove/memcpy functions
This fixes:
In file included from ./arch/x86/include/asm/string.h
mem_cgroup_uncharge_page() call in dax_mapping_entry() not needed.
Uncharging now happens in __page_cache_release()
Should be merged in b3c711a7287f ("ms/mm: memcontrol: rewrite uncharge API")
https://jira.sw.ru/browse/PSBM-70742
Signed-off-by: Andrey Ryabinin
---
fs/dax.c | 1
counter_read(&memcg->memory) -
page_counter_read(&memcg->kmem) > 0)
in mem_cgroup_reparent_charges() won't come true ever.
https://jira.sw.ru/browse/PSBM-70556
Fixes: de3a106e28d5 ("mm/memcg: reclaim memory on reaching kmem limit.")
Signed-off-by: Andrey Ryabi
Fixes: b3c711a7287f ("ms/mm: memcontrol: rewrite uncharge API")
Signed-off-by: Andrey Ryabinin
---
mm/migrate.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/mm/migrate.c b/mm/migrate.c
index 6b7349ca368c..c629762fbfd5 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2383
We need only one. Shoud be merged into
c6f8224e23d8cf ("ms/mm: memcontrol: rewrite charge API")
https://jira.sw.ru/browse/PSBM-70741
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 97
On 08/31/2017 12:58 PM, Konstantin Khorenko wrote:
> Do we want to push it to mainstream as well?
>
I don't think so. Distributions are slowly moving towards v2 cgroup, where
kmem limit simply doesn't exists. And for legacy cgroup v1 lack of reclaim on
kmem limit
hit wasn't a mistake but a del
On 08/03/2017 12:54 PM, Kirill Tkhai wrote:
> static int tswap_frontswap_store(unsigned type, pgoff_t offset,
>struct page *page)
> {
> swp_entry_t entry = swp_entry(type, offset);
> + int zero_filled = -1, err = 0;
> struct page *cache_page;
> -
On 09/04/2017 02:52 PM, Kirill Tkhai wrote:
> On 31.08.2017 16:45, Andrey Ryabinin wrote:
>> On 08/03/2017 12:54 PM, Kirill Tkhai wrote:
>>> static int tswap_frontswap_store(unsigned type, pgoff_t offset,
>>> struct page *page)
>&
On 09/04/2017 03:03 PM, Andrey Ryabinin wrote:
>
>
> On 09/04/2017 02:52 PM, Kirill Tkhai wrote:
>> On 31.08.2017 16:45, Andrey Ryabinin wrote:
>>> On 08/03/2017 12:54 PM, Kirill Tkhai wrote:
>>>> static int tswap_frontswap
usage in some way.
>
> Signed-off-by: Kirill Tkhai
Acked-by: Andrey Ryabinin
___
Devel mailing list
Devel@openvz.org
https://lists.openvz.org/mailman/listinfo/devel
_list() is stuck.
https://jira.sw.ru/browse/PSBM-70021
Signed-off-by: Andrey Ryabinin
---
mm/memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 940cca31ed5d..b09d5be27444 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4
27a308ff74
Author: Vladimir Davydov
Date: Fri Jul 17 11:51:54 2015 +0300
ms/fs: convert fs shrinkers to new scan/count API
Signed-off-by: Andrey Ryabinin
---
fs/ext4/extents_status.c | 10 ++
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/fs/ext4/extents_status
g Liu
Signed-off-by: Jan Kara
Signed-off-by: Theodore Ts'o
https://jira.sw.ru/browse/PSBM-70858
Signed-off-by: Andrey Ryabinin
---
fs/ext4/ext4.h | 10 +-
fs/ext4/extents.c | 4 +-
fs/ext4/extents_status.c| 224 +++
commit fixes a variable name in trace point in order to
keep consistency with others.
Cc: Andreas Dilger
Cc: Jan Kara
Reviewed-by: Jan Kara
Signed-off-by: Zheng Liu
Signed-off-by: Theodore Ts'o
https://jira.sw.ru/browse/PSBM-70858
Signed-off-by: Andrey Ryabinin
---
fs/ext4/extents_sta
Dilger
Cc: Jan Kara
Reviewed-by: Jan Kara
Signed-off-by: Zheng Liu
Signed-off-by: Theodore Ts'o
https://jira.sw.ru/browse/PSBM-70858
Signed-off-by: Andrey Ryabinin
---
fs/ext4/ext4.h | 4 +-
fs/ext4/extents_status.c| 186 +---
fs
: Andrey Ryabinin
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-69081
(cherry picked from commit 7640131032db9118a78af715ac77ba2debeeb17c)
Signed-off-by: Andrey Ryabinin
---
mm/mempool.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff
entjes
Cc: Joonsoo Kim
Cc: Andrey Konovalov
Cc: Dmitry Vyukov
Cc: Andrey Ryabinin
Cc: Steven Rostedt
Cc: Konstantin Serebryany
Cc: Dmitry Chernenkov
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-69081
(cherry picked f
iamjoonsoo@lge.com
Signed-off-by: Joonsoo Kim
Cc: Alexander Potapenko
Cc: Andrey Ryabinin
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-69081
(cherry picked from commit 7c31190bcfdbff225950902a9f226e4eb79ca94f)
Signed-off-by: Andrey Ryabinin
SLUB doesn't require disabled interrupts to call ___cache_free().
Link:
http://lkml.kernel.org/r/1470062715-14077-3-git-send-email-aryabi...@virtuozzo.com
Signed-off-by: Andrey Ryabinin
Acked-by: Alexander Potapenko
Cc: Dmitry Vyukov
Signed-off-by: Andrew Morton
Signed-off-by: Linus Tor
From: Alexander Potapenko
Add the missing argument to set_track().
Fixes: cd11016e5f52 ("mm, kasan: stackdepot implementation. Enable stackdepot
for SLAB")
Signed-off-by: Alexander Potapenko
Cc: Andrey Konovalov
Cc: Christoph Lameter
Cc: Dmitry Vyukov
Cc: Andrey Ryabinin
ander Potapenko
Acked-by: Andrey Ryabinin
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-69081
(cherry picked from commit 4e25769c6ad69b983379578f42581d99a2f9)
Signed-off-by: Andrey Ryabinin
---
lib/stackdepot.c | 4
1 file changed, 4 dele
From: Andrey Konovalov
[a...@linux-foundation.org: coding-style fixes]
Signed-off-by: Andrey Konovalov
Cc: Andrey Ryabinin
Cc: Dmitry Vyukov
Cc: Alexander Potapenko
Cc: Konstantin Serebryany
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-69081
/1468575763-144889-1-git-send-email-gli...@google.com
[ Minor edits. ]
Signed-off-by: Ingo Molnar
https://jira.sw.ru/browse/PSBM-69081
(cherry picked from commit 469f00231278da68062a809306df0bac95a27507)
Signed-off-by: Andrey Ryabinin
---
arch/x86/kernel/entry_64.S | 11 +++
1 file changed
/1479219743-28682-1-git-send-email-dvyu...@google.com
Signed-off-by: Dmitry Vyukov
Acked-by: Andrey Ryabinin
Cc: Alexander Potapenko
Cc: [4.0+]
Signed-off-by: Andrew Morton
Signed-off-by: Linus Torvalds
https://jira.sw.ru/browse/PSBM-69081
(cherry picked from commit
From: Alexander Potapenko
Instead of calling kasan_krealloc(), which replaces the memory
allocation stack ID (if stack depot is used), just unpoison the whole
memory chunk.
Signed-off-by: Alexander Potapenko
Acked-by: Andrey Ryabinin
Cc: Andrey Konovalov
Cc: Dmitry Vyukov
Cc: Christoph
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