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| author |   Rasmus Villemoes <linux@rasmusvillemoes.dk> | 2015-06-24 16:56:28 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-24 17:49:41 -0700 |
| commit | a9919c79359df9a706ff9e14fc0a93cd15791c9b (patch) | |
| tree | 32bb182bd88f0fb58bfe891b26290bf53b5a6d37 /mm | |
| parent | mm/hugetlb: reduce arch dependent code about hugetlb_prefault_arch_hook (diff) | |
| download | linux-dev-a9919c79359df9a706ff9e14fc0a93cd15791c9b.tar.xz linux-dev-a9919c79359df9a706ff9e14fc0a93cd15791c9b.zip | |
mm: only define hashdist variable when needed
For !CONFIG_NUMA, hashdist will always be 0, since it's setter is
otherwise compiled out. So we can save 4 bytes of data and some .text
(although mostly in __init functions) by only defining it for
CONFIG_NUMA.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: David Rientjes <rientjes@google.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
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/page_alloc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ebffa0e4a9c0..159dbbc3375d 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6013,9 +6013,9 @@ out: return ret; } +#ifdef CONFIG_NUMA int hashdist = HASHDIST_DEFAULT; -#ifdef CONFIG_NUMA static int __init set_hashdist(char *str) { if (!str) |