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mm: set correct numa_zonelist_order string when configured on the kernel command line

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When numa_zonelist_order parameter is set to "node" or "zone" on the
command line it's still showing as "default" in sysctl.  That's because
early_param parsing function changes only user_zonelist_order variable.
Fix this by copying user-provided string to numa_zonelist_order if it was
successfully parsed.

Signed-off-by: Volodymyr G Lukiianyk <volodymyrgl@gmail.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Volodymyr G. Lukiianyk 2011-01-13 15:46:26 -08:00 • committed by Linus Torvalds
parent dc83edd941
commit ecb256f815
1 changed files with 10 additions and 3 deletions
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13
mm/page_alloc.c
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@ -2631,9 +2631,16 @@ static int __parse_numa_zonelist_order(char *s)
static __init int setup_numa_zonelist_order(char *s) static __init int setup_numa_zonelist_order(char *s)
{ {
if (s) int ret;
return __parse_numa_zonelist_order(s);
return 0; if (!s)
return 0;
ret = __parse_numa_zonelist_order(s);
if (ret == 0)
strlcpy(numa_zonelist_order, s, NUMA_ZONELIST_ORDER_LEN);
return ret;
} }
early_param("numa_zonelist_order", setup_numa_zonelist_order); early_param("numa_zonelist_order", setup_numa_zonelist_order);