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| author |   Davidlohr Bueso <davidlohr.bueso@hp.com> | 2013-09-11 14:26:16 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-09-11 15:59:39 -0700 |
| commit | 79ccf0f8c8e04e8b9eda6645ba0f63b0915a3075 (patch) | |
| tree | 7178c7dbb1edd12689359f49da36d4e04de93cf8 /mm | |
| parent | ipc,shm: introduce lockless functions to obtain the ipc object (diff) | |
| download | linux-dev-79ccf0f8c8e04e8b9eda6645ba0f63b0915a3075.tar.xz linux-dev-79ccf0f8c8e04e8b9eda6645ba0f63b0915a3075.zip | |
ipc,shm: shorten critical region in shmctl_down
Instead of holding the ipc lock for the entire function, use the
ipcctl_pre_down_nolock and only acquire the lock for specific commands:
RMID and SET.
Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions