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authorHugh Dickins <hugh@veritas.com>2006-06-23 02:03:44 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:51 -0700
commit70af7c5c6492ef6ad137dbff6c4568c73edbcaf0 (patch)
tree4e8646ba72b14f2bdd94802d42684c00c1a7507c /ipc
parent9637a5efd4fbe36164c5ce7f6a0ee68b2bf22b7f (diff)
[PATCH] swapoff: use atomic_inc_not_zero() on mm_users
Now that we have atomic_inc_not_zero, it's more elegant for try_to_unuse to use that on mm_users: doesn't actually matter at present, but safer to be sure that once mm_users has gone to 0, nothing raises it for an instant. Signed-off-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'ipc')
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