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Commit acfe7d74484d6ccb25a80b8ff259fceceac0473e

Authored by Eric Dumazet
Committed by Pekka Enberg
1 parent 95b6886526
Exists in master and in 6 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

slab: remove one NR_CPUS dependency 

Reduce high order allocations in do_tune_cpucache() for some setups.
(NR_CPUS=4096 -> we need 64KB)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

Showing 1 changed file with 3 additions and 2 deletions Side-by-side Diff

... ... @@ -3934,7 +3934,7 @@
3934 3934  
3935 3935 struct ccupdate_struct {
3936 3936 struct kmem_cache *cachep;
3937   - struct array_cache *new[NR_CPUS];
  3937 + struct array_cache *new[0];
3938 3938 };
3939 3939  
3940 3940 static void do_ccupdate_local(void *info)
... ... @@ -3956,7 +3956,8 @@
3956 3956 struct ccupdate_struct *new;
3957 3957 int i;
3958 3958  
3959   - new = kzalloc(sizeof(*new), gfp);
  3959 + new = kzalloc(sizeof(*new) + nr_cpu_ids * sizeof(struct array_cache *),
  3960 + gfp);
3960 3961 if (!new)
3961 3962 return -ENOMEM;
3962 3963