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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-04-06 02:21:46 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-04-06 07:36:24 +0300 |
| commit | 302d55d51d04ab92f8b3f6a89d3424299e3efdf7 (patch) | |
| tree | 7e0e2b1e8b625cb48ebddf7106bdb3bce154cc06 /mm | |
| parent | 870b1fbb036c0e115aeb8a48478643c16b73d204 (diff) | |
| download | linux-302d55d51d04ab92f8b3f6a89d3424299e3efdf7.tar.xz | |
slab: use 32-bit arithmetic in freelist_randomize()
SLAB doesn't support 4GB+ of objects per slab, therefore randomization
doesn't need size_t.
Link: http://lkml.kernel.org/r/20180305200730.15812-25-adobriyan@gmail.com
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/slab_common.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c index 01224cb90080..e2e2485b3496 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1186,10 +1186,10 @@ EXPORT_SYMBOL(kmalloc_order_trace); #ifdef CONFIG_SLAB_FREELIST_RANDOM /* Randomize a generic freelist */ static void freelist_randomize(struct rnd_state *state, unsigned int *list, - size_t count) + unsigned int count) { - size_t i; unsigned int rand; + unsigned int i; for (i = 0; i < count; i++) list[i] = i; |