diff options
| author | KOSAKI Motohiro <[email protected]> | 2009-09-22 00:01:32 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2009-09-22 14:17:27 +0000 |
| commit | c6a7f5728a1db45d30df55a01adc130b4ab0327c (patch) | |
| tree | 36649bc6ebb959841a5097c699968722cfd99c4d /drivers/base/node.c | |
| parent | mm: oom analysis: add buffer cache information to show_free_areas() (diff) | |
| download | kernel-c6a7f5728a1db45d30df55a01adc130b4ab0327c.tar.gz kernel-c6a7f5728a1db45d30df55a01adc130b4ab0327c.zip | |
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 <[email protected]>
Reviewed-by: Christoph Lameter <[email protected]>
Reviewed-by: Minchan Kim <[email protected]>
Reviewed-by: Rik van Riel <[email protected]>
Cc: David Rientjes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'drivers/base/node.c')
| -rw-r--r-- | drivers/base/node.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 91d4087b4039..b560c17f6d4e 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -85,6 +85,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, "Node %d FilePages: %8lu kB\n" "Node %d Mapped: %8lu kB\n" "Node %d AnonPages: %8lu kB\n" + "Node %d KernelStack: %8lu kB\n" "Node %d PageTables: %8lu kB\n" "Node %d NFS_Unstable: %8lu kB\n" "Node %d Bounce: %8lu kB\n" @@ -116,6 +117,8 @@ static ssize_t node_read_meminfo(struct sys_device * dev, nid, K(node_page_state(nid, NR_FILE_PAGES)), nid, K(node_page_state(nid, NR_FILE_MAPPED)), nid, K(node_page_state(nid, NR_ANON_PAGES)), + nid, node_page_state(nid, NR_KERNEL_STACK) * + THREAD_SIZE / 1024, nid, K(node_page_state(nid, NR_PAGETABLE)), nid, K(node_page_state(nid, NR_UNSTABLE_NFS)), nid, K(node_page_state(nid, NR_BOUNCE)), |