Hi Jerome,
On 04/24/2013 05:57 PM, Jerome Marchand wrote:
On 04/22/2013 10:37 PM, Andrew Morton wrote:
On Wed, 17 Apr 2013 14:11:55 +0200 Jerome Marchand wrote:
Since commit 62c230b, swap_writepage() calls direct_IO on swap files.
However, in that case page isn't redirtied if I/O fails, and i
Hi Mel,
On 04/30/2013 12:31 AM, Mel Gorman wrote:
Andrew Perepechko reported a problem whereby pages are being prematurely
evicted as the mark_page_accessed() hint is ignored for pages that are
currently on a pagevec -- http://www.spinics.net/lists/linux-ext4/msg37340.html
.
Alexey Lyahkov and R
Hi Christoph,
On 04/29/2013 10:49 PM, Christoph Lameter wrote:
On Sat, 27 Apr 2013, Will Huck wrote:
Hi Christoph,
On 04/26/2013 01:17 AM, Christoph Lameter wrote:
On Thu, 25 Apr 2013, Han Pingtian wrote:
I have enabled "slub_debug" and here is the
/sys/kernel/slab/kmalloc-512/a
benefit?
Will Huck wrote:
On 04/28/2013 03:13 AM, Frantisek Hrbata wrote:
On Sat, Apr 27, 2013 at 03:00:11PM +0800, Will Huck wrote:
On 04/26/2013 11:35 PM, Frantisek Hrbata wrote:
On Fri, Apr 26, 2013 at 01:21:28PM +0800, Will Huck wrote:
Hi Peter,
On 04/02/2013 08:28 PM, Frantisek Hrbata wrote
On 04/28/2013 03:13 AM, Frantisek Hrbata wrote:
On Sat, Apr 27, 2013 at 03:00:11PM +0800, Will Huck wrote:
On 04/26/2013 11:35 PM, Frantisek Hrbata wrote:
On Fri, Apr 26, 2013 at 01:21:28PM +0800, Will Huck wrote:
Hi Peter,
On 04/02/2013 08:28 PM, Frantisek Hrbata wrote:
When CR4.PAE is set
Hi Christoph,
On 04/26/2013 01:17 AM, Christoph Lameter wrote:
On Thu, 25 Apr 2013, Han Pingtian wrote:
I have enabled "slub_debug" and here is the
/sys/kernel/slab/kmalloc-512/alloc_calls contents:
50 .__alloc_workqueue_key+0x90/0x5d0 age=113630/116957/119419 pid=1-1730
cpus=0,6-8,13,2
On 04/26/2013 11:35 PM, Frantisek Hrbata wrote:
On Fri, Apr 26, 2013 at 01:21:28PM +0800, Will Huck wrote:
Hi Peter,
On 04/02/2013 08:28 PM, Frantisek Hrbata wrote:
When CR4.PAE is set, the 64b PTE's are used(ARCH_PHYS_ADDR_T_64BIT is set for
X86_64 || X86_PAE). According to [1] Chap
Hi Peter,
On 04/02/2013 08:28 PM, Frantisek Hrbata wrote:
When CR4.PAE is set, the 64b PTE's are used(ARCH_PHYS_ADDR_T_64BIT is set for
X86_64 || X86_PAE). According to [1] Chapter 4 Paging, some higher bits in 64b
PTE are reserved and have to be set to zero. For example, for IA-32e and 4KB
page
On 04/25/2013 07:56 AM, Andi Kleen wrote:
From: Andi Kleen
As discussed earlier, this adds a working sysctl to enable/disable
automatic numa memory balancing at runtime.
This was possible earlier through debugfs, but only with special
debugging options set. Also fix the boot message.
One off
Hi Steven,
On 04/18/2013 03:09 AM, Steven Rostedt wrote:
The slab.c code has a size check macro that checks the size of the
following structs:
struct arraycache_init
struct kmem_list3
The index_of() function that takes the sizeof() of the above two structs
and does an unnecessary __builtin_cons
Hi Rik,
On 03/22/2013 11:52 AM, Rik van Riel wrote:
On 03/21/2013 08:05 PM, Will Huck wrote:
One offline question, how to understand this in function balance_pgdat:
/*
* Do some background aging of the anon list, to give
* pages a chance to be referenced before reclaiming
Hi Rik,
On 03/22/2013 11:52 AM, Rik van Riel wrote:
On 03/21/2013 08:05 PM, Will Huck wrote:
One offline question, how to understand this in function balance_pgdat:
/*
* Do some background aging of the anon list, to give
* pages a chance to be referenced before reclaiming
cc Fengguang,
On 04/05/2013 08:05 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 09:01 PM, Rik van Riel wrote:
On 03/22/2013 12:59 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 11:56 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 11:52 AM, Rik van Riel wrote:
On 03/21/2013 08:05 PM, Will Huck wrote
Ping Rik.
On 04/05/2013 08:05 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 09:01 PM, Rik van Riel wrote:
On 03/22/2013 12:59 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 11:56 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 11:52 AM, Rik van Riel wrote:
On 03/21/2013 08:05 PM, Will Huck wrote:
One
Hi Rik,
On 03/22/2013 09:01 PM, Rik van Riel wrote:
On 03/22/2013 12:59 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 11:56 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 11:52 AM, Rik van Riel wrote:
On 03/21/2013 08:05 PM, Will Huck wrote:
One offline question, how to understand this in function
Hi Rik,
On 03/22/2013 11:52 AM, Rik van Riel wrote:
On 03/21/2013 08:05 PM, Will Huck wrote:
One offline question, how to understand this in function balance_pgdat:
/*
* Do some background aging of the anon list, to give
* pages a chance to be referenced before reclaiming
Hi Rik,
On 03/22/2013 11:56 AM, Will Huck wrote:
Hi Rik,
On 03/22/2013 11:52 AM, Rik van Riel wrote:
On 03/21/2013 08:05 PM, Will Huck wrote:
One offline question, how to understand this in function balance_pgdat:
/*
* Do some background aging of the anon list, to give
* pages a chance to
Hi Rik,
On 03/21/2013 08:52 AM, Rik van Riel wrote:
On 03/20/2013 12:18 PM, Michal Hocko wrote:
On Sun 17-03-13 13:04:07, Mel Gorman wrote:
[...]
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 88c5fed..4835a7a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2593,6 +2593,32 @@ static bool prepare_k
Hi Johannes,
On 03/21/2013 11:57 PM, Johannes Weiner wrote:
On Sun, Mar 17, 2013 at 01:04:07PM +, Mel Gorman wrote:
The number of pages kswapd can reclaim is bound by the number of pages it
scans which is related to the size of the zone and the scanning priority. In
many cases the priority r
Hi Hugh,
On 03/08/2013 10:01 AM, Hugh Dickins wrote:
On Fri, 8 Mar 2013, Joonsoo Kim wrote:
On Thu, Mar 07, 2013 at 10:54:15AM -0800, Hugh Dickins wrote:
On Thu, 7 Mar 2013, Joonsoo Kim wrote:
When we found that the flag has a bit of PAGE_FLAGS_CHECK_AT_PREP,
we reset the flag. If we always r
Cc experts. Hugh, Johannes,
On 03/04/2013 08:21 PM, Lenky Gao wrote:
2013/3/4 Zlatko Calusic :
The drop_caches mechanism doesn't free dirty page cache pages. And your bash
script is creating a lot of dirty pages. Run it like this and see if it
helps your case:
sync; echo 3 > /proc/sys/vm/drop_
Hi Hugh,
On 03/06/2013 03:40 AM, Hugh Dickins wrote:
On Mon, 4 Mar 2013, Will Huck wrote:
Could you explain me why shmem has more relationship with mempolicy? It seems
that there are many codes in shmem handle mempolicy, but other components in
mm subsystem just have little.
NUMA mempolicy is
Hi Hugh,
On 03/02/2013 10:57 AM, Hugh Dickins wrote:
How ksm treat a ksm forked page? IIUC, it's not merged in ksm stable
tree. It will just be ignore?
On Sat, 2 Mar 2013, Ric Mason wrote:
On 03/02/2013 04:03 AM, Hugh Dickins wrote:
On Fri, 1 Mar 2013, Ric Mason wrote:
I think the ksm impl
Hi Hugh,
On 02/21/2013 04:26 AM, Hugh Dickins wrote:
On Tue, 19 Feb 2013, Greg Thelen wrote:
This patch fixes several mempolicy leaks in the tmpfs mount logic.
These leaks are slow - on the order of one object leaked per mount
attempt.
Leak 1 (umount doesn't free mpol allocated in mount):
On 02/20/2013 08:31 PM, Tang Chen wrote:
On 02/20/2013 07:00 PM, Tang Chen wrote:
As mentioned by HPA before, when we are using movablemem_map=acpi, if
all the
memory ranges in SRAT is hotpluggable, then no memory can be used by
kernel.
Before parsing SRAT, memblock has already reserve some m
On 02/20/2013 03:06 AM, Hugh Dickins wrote:
On Tue, 19 Feb 2013, Will Huck wrote:
Another question:
I don't see the connection to deleting a swapped out page from swap cache.
Why kernel memory mapping use direct mapping instead of kmalloc/vmalloc which
will setup mapping on demand?
On 02/19/2013 10:04 AM, Li Haifeng wrote:
2013/2/19 Hugh Dickins
On Mon, 18 Feb 2013, Li Haifeng wrote:
For explain my question, the two points should be displayed as below.
1. If an anonymous page is swapped out, this page will be deleted
from swap cache and be put back into buddy system.
Hi Hugh,
On 02/19/2013 02:06 AM, Hugh Dickins wrote:
Another question:
Why kernel memory mapping use direct mapping instead of kmalloc/vmalloc
which will setup mapping on demand?
On Mon, 18 Feb 2013, Li Haifeng wrote:
For explain my question, the two points should be displayed as below.
1
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