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| author |   Davidlohr Bueso <dave@stgolabs.net> | 2014-12-12 16:56:10 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 12:42:48 -0800 |
| commit | f5f302e21257ebb0c074bbafc37606c26d28cc3d (patch) | |
| tree | 9487dd9bdf2df8a1989af3dde28d64b84f04ede5 /include/linux/vm_event_item.h | |
| parent | Documentation: add new page_owner document (diff) | |
| download | linux-dev-f5f302e21257ebb0c074bbafc37606c26d28cc3d.tar.xz linux-dev-f5f302e21257ebb0c074bbafc37606c26d28cc3d.zip | |
mm,vmacache: count number of system-wide flushes
These flushes deal with sequence number overflows, such as for long lived
threads. These are rare, but interesting from a debugging PoV. As such,
display the number of flushes when vmacache debugging is enabled.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vm_event_item.h')
| -rw-r--r-- | include/linux/vm_event_item.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 730334cdf037..9246d32dc973 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -90,6 +90,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, #ifdef CONFIG_DEBUG_VM_VMACACHE VMACACHE_FIND_CALLS, VMACACHE_FIND_HITS, + VMACACHE_FULL_FLUSHES, #endif NR_VM_EVENT_ITEMS }; |