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| author | Eric Dumazet <edumazet@google.com> | 2014-06-04 16:11:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:14 -0700 |
| commit | 72d09633c9afa02bea317d65eb8b8a4ce7659a2a (patch) | |
| tree | 0ba5329fbb8261c0b24591532d2bc83a4067a2e4 /mm/zswap.c | |
| parent | d867f203b974e9a670028fda909ef09044b221f6 (diff) | |
| download | linux-72d09633c9afa02bea317d65eb8b8a4ce7659a2a.tar.gz linux-72d09633c9afa02bea317d65eb8b8a4ce7659a2a.tar.bz2 linux-72d09633c9afa02bea317d65eb8b8a4ce7659a2a.zip | |
mm/zswap: NUMA aware allocation for zswap_dstmem
zswap_dstmem is a percpu block of memory, which should be allocated using
kmalloc_node(), to get better NUMA locality.
Without it, all the blocks are allocated from a single node.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Seth Jennings <sjennings@variantweb.net>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/zswap.c')
| -rw-r--r-- | mm/zswap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/zswap.c b/mm/zswap.c index aeaef0fb5624..008388fe7b0f 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -347,7 +347,7 @@ static int __zswap_cpu_notifier(unsigned long action, unsigned long cpu) return NOTIFY_BAD; } *per_cpu_ptr(zswap_comp_pcpu_tfms, cpu) = tfm; - dst = kmalloc(PAGE_SIZE * 2, GFP_KERNEL); + dst = kmalloc_node(PAGE_SIZE * 2, GFP_KERNEL, cpu_to_node(cpu)); if (!dst) { pr_err("can't allocate compressor buffer\n"); crypto_free_comp(tfm); |