| commit | 1e2ae599d37e60958c03ca5e46b1f657619a30cd | [log] [tgz] |
|---|---|---|
| author | David Howells <dhowells@redhat.com> | Fri Jan 15 17:01:33 2010 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Sat Jan 16 12:15:40 2010 -0800 |
| tree | 0a0c9ff0370fbefd4eb8fe3a44106880c1aae8cb | |
| parent | ed5e5894b234ce4793d78078c026915b853e0678 [diff] |
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>