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authorVolodymyr G. Lukiianyk <volodymyrgl@gmail.com>2011-01-13 15:46:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:37 -0800
commitecb256f815232b35ae8382cff36ca8ce0bbd077e (patch)
tree4f488ba29b5bf860576a3a2e405607a9c32048bf /mm/page_alloc.c
parentdc83edd941f412e938841b4989be24aa288a1aa6 (diff)
mm: set correct numa_zonelist_order string when configured on the kernel command line
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>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c31460918506..c18d1f7cff84 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2631,9 +2631,16 @@ static int __parse_numa_zonelist_order(char *s)
static __init int setup_numa_zonelist_order(char *s)
{
- if (s)
- return __parse_numa_zonelist_order(s);
- return 0;
+ int ret;
+
+ 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);