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| author |   Petr Holasek <pholasek@redhat.com> | 2011-01-12 17:00:34 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 08:03:17 -0800 |
| commit | a6fc86d2b43bf1086557f023a24adf91db915559 (patch) | |
| tree | 4ad1a6f004d50c21bdce5b14d8f78fef3f453670 /fs/proc/generic.c | |
| parent | proc: use single_open() correctly (diff) | |
| download | linux-dev-a6fc86d2b43bf1086557f023a24adf91db915559.tar.xz linux-dev-a6fc86d2b43bf1086557f023a24adf91db915559.zip | |
kpagecount: add slab page checking because _mapcount is in a union
Add a PageSlab() check before adding the _mapcount value to /kpagecount.
page->_mapcount is in a union with the SLAB structure so for pages
controlled by SLAB, page_mapcount() returns nonsense.
Signed-off-by: Petr Holasek <pholasek@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/generic.c')
0 files changed, 0 insertions, 0 deletions