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authorDavid Rientjes <rientjes@google.com>2013-09-12 15:14:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-12 15:38:03 -0700
commit17766dde364813568e4f876517c72bab70838646 (patch)
tree22da9c5e44b3b55145986603ad7804fd5bacfaec /kernel/ksysfs.c
parentc02925540ca7019465a43c00f8a3c0186ddace2b (diff)
downloadlinux-sh-17766dde364813568e4f876517c72bab70838646.tar.gz
mm, thp: count thp_fault_fallback anytime thp fault fails
Currently, thp_fault_fallback in vmstat only gets incremented if a hugepage allocation fails. If current's memcg hits its limit or the page fault handler returns an error, it is incorrectly accounted as a successful thp_fault_alloc. Count thp_fault_fallback anytime the page fault handler falls back to using regular pages and only count thp_fault_alloc when a hugepage has actually been faulted. Signed-off-by: David Rientjes <rientjes@google.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/ksysfs.c')
0 files changed, 0 insertions, 0 deletions