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| author |   David Howells <dhowells@redhat.com> | 2010-01-15 17:01:33 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-16 12:15:40 -0800 |
| commit | 1e2ae599d37e60958c03ca5e46b1f657619a30cd (patch) | |
| tree | 0a0c9ff0370fbefd4eb8fe3a44106880c1aae8cb /kernel/sys.c | |
| parent | nommu: fix SYSV SHM for NOMMU (diff) | |
| download | linux-rng-1e2ae599d37e60958c03ca5e46b1f657619a30cd.tar.xz linux-rng-1e2ae599d37e60958c03ca5e46b1f657619a30cd.zip | |
nommu: struct vm_region's vm_usage count need not be atomic
The vm_usage count field in struct vm_region does not need to be atomic as
it's only even modified whilst nommu_region_sem is write locked.
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sys.c')
0 files changed, 0 insertions, 0 deletions