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| author | Kees Cook <keescook@chromium.org> | 2017-07-12 14:34:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-12 16:26:01 -0700 |
| commit | f8dbe8d290637ac3f68600e30d092393fe9b40a5 (patch) | |
| tree | 20108014c81821082abd938b2c95f4d6a23655e3 /ipc/util.h | |
| parent | 2cd648c110b5570c3280bd645797658cabbe5f5c (diff) | |
| download | linux-stable-f8dbe8d290637ac3f68600e30d092393fe9b40a5.tar.gz linux-stable-f8dbe8d290637ac3f68600e30d092393fe9b40a5.tar.bz2 linux-stable-f8dbe8d290637ac3f68600e30d092393fe9b40a5.zip | |
ipc: drop non-RCU allocation
The only users of ipc_alloc() were ipc_rcu_alloc() and the on-heap
sem_io fall-back memory. Better to just open-code these to make things
easier to read.
[manfred@colorfullife.com: Rediff due to inclusion of memset() into ipc_rcu_alloc()]
Link: http://lkml.kernel.org/r/20170525185107.12869-5-manfred@colorfullife.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'ipc/util.h')
| -rw-r--r-- | ipc/util.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/ipc/util.h b/ipc/util.h index 09d0f918c3e2..2578fd9be835 100644 --- a/ipc/util.h +++ b/ipc/util.h @@ -107,12 +107,6 @@ void ipc_rmid(struct ipc_ids *, struct kern_ipc_perm *); /* must be called with ipcp locked */ int ipcperms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, short flg); -/* for rare, potentially huge allocations. - * both function can sleep - */ -void *ipc_alloc(int size); -void ipc_free(void *ptr); - /* * For allocation that need to be freed by RCU. * Objects are reference counted, they start with reference count 1. |