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| author | David Rientjes <rientjes@google.com> | 2015-04-14 15:48:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-14 16:49:06 -0700 |
| commit | 11d83360452ea2a95e699da01f8e1bcc4676a5de (patch) | |
| tree | 22d85ebbc47a9152cafc9373a8300d0abf92106b /include/linux/mempool.h | |
| parent | 2415b9f5cb048a803b30b790af994ba71ff0bd4c (diff) | |
| download | op-kernel-dev-11d83360452ea2a95e699da01f8e1bcc4676a5de.zip op-kernel-dev-11d83360452ea2a95e699da01f8e1bcc4676a5de.tar.gz | |
mm, mempool: do not allow atomic resizing
Allocating a large number of elements in atomic context could quickly
deplete memory reserves, so just disallow atomic resizing entirely.
Nothing currently uses mempool_resize() with anything other than
GFP_KERNEL, so convert existing callers to drop the gfp_mask.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Steffen Maier <maier@linux.vnet.ibm.com> [zfcp]
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Steve French <sfrench@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mempool.h')
| -rw-r--r-- | include/linux/mempool.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/mempool.h b/include/linux/mempool.h index 39ed62a..b19b302 100644 --- a/include/linux/mempool.h +++ b/include/linux/mempool.h @@ -29,7 +29,7 @@ extern mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn, mempool_free_t *free_fn, void *pool_data, gfp_t gfp_mask, int nid); -extern int mempool_resize(mempool_t *pool, int new_min_nr, gfp_t gfp_mask); +extern int mempool_resize(mempool_t *pool, int new_min_nr); extern void mempool_destroy(mempool_t *pool); extern void * mempool_alloc(mempool_t *pool, gfp_t gfp_mask); extern void mempool_free(void *element, mempool_t *pool); |
