diff options
| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2009-09-22 00:01:32 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-22 14:17:27 (GMT) |
| commit | c6a7f5728a1db45d30df55a01adc130b4ab0327c (patch) | |
| tree | 36649bc6ebb959841a5097c699968722cfd99c4d /include | |
| parent | 71de1ccbe1fb40203edd3beb473f8580d917d2ca (diff) | |
| download | linux-c6a7f5728a1db45d30df55a01adc130b4ab0327c.tar.xz | |
mm: oom analysis: Show kernel stack usage in /proc/meminfo and OOM log output
The amount of memory allocated to kernel stacks can become significant and
cause OOM conditions. However, we do not display the amount of memory
consumed by stacks.
Add code to display the amount of memory used for stacks in /proc/meminfo.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmzone.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 8895985..d9335b8 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -94,10 +94,11 @@ enum zone_stat_item { NR_SLAB_RECLAIMABLE, NR_SLAB_UNRECLAIMABLE, NR_PAGETABLE, /* used for pagetables */ + NR_KERNEL_STACK, + /* Second 128 byte cacheline */ NR_UNSTABLE_NFS, /* NFS unstable pages */ NR_BOUNCE, NR_VMSCAN_WRITE, - /* Second 128 byte cacheline */ NR_WRITEBACK_TEMP, /* Writeback using temporary buffers */ #ifdef CONFIG_NUMA NUMA_HIT, /* allocated in intended node */ |