提交 ecb256f8 编写于 作者: V Volodymyr G. Lukiianyk 提交者: Linus Torvalds

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: NVolodymyr G Lukiianyk <volodymyrgl@gmail.com>
Acked-by: NKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 dc83edd9
...@@ -2631,9 +2631,16 @@ static int __parse_numa_zonelist_order(char *s) ...@@ -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);
......
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