diff options
| author | Eric Dumazet <dada1@cosmosbay.com> | 2008-03-28 14:42:42 -0400 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2008-04-18 18:53:21 -0700 |
| commit | 28680bfb8269703def997e2269caf9bfe2de489c (patch) | |
| tree | 9400b61d56c50f3505beae100c1071d09f8629ba /mm | |
| parent | bcd817a3949cfc772b97f3f1428be35488e6266b (diff) | |
PERCPU : __percpu_alloc_mask() can dynamically size percpu_data storage
upstream commit: b3242151906372f30f57feaa43b4cac96a23edb1
Instead of allocating a fix sized array of NR_CPUS pointers for percpu_data,
we can use nr_cpu_ids, which is generally < NR_CPUS.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/allocpercpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/allocpercpu.c b/mm/allocpercpu.c index 00b02623f008..7e58322b7134 100644 --- a/mm/allocpercpu.c +++ b/mm/allocpercpu.c @@ -98,7 +98,7 @@ EXPORT_SYMBOL_GPL(__percpu_populate_mask); */ void *__percpu_alloc_mask(size_t size, gfp_t gfp, cpumask_t *mask) { - void *pdata = kzalloc(sizeof(struct percpu_data), gfp); + void *pdata = kzalloc(nr_cpu_ids * sizeof(void *), gfp); void *__pdata = __percpu_disguise(pdata); if (unlikely(!pdata)) |