Commit dedf2c73 authored by zhong jiang's avatar zhong jiang Committed by Linus Torvalds
Browse files

mm/mempolicy.c: use match_string() helper to simplify the code

match_string() returns the index of an array for a matching string, which
can be used intead of open coded implementation.

Link: http://lkml.kernel.org/r/1536988365-50310-1-git-send-email-zhongjiang@huawei.com

Signed-off-by: default avatarzhong jiang <zhongjiang@huawei.com>
Reviewed-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c3df29d1
......@@ -2711,12 +2711,11 @@ static const char * const policy_modes[] =
int mpol_parse_str(char *str, struct mempolicy **mpol)
{
struct mempolicy *new = NULL;
unsigned short mode;
unsigned short mode_flags;
nodemask_t nodes;
char *nodelist = strchr(str, ':');
char *flags = strchr(str, '=');
int err = 1;
int err = 1, mode;
if (nodelist) {
/* NUL-terminate mode or flags string */
......@@ -2731,12 +2730,8 @@ int mpol_parse_str(char *str, struct mempolicy **mpol)
if (flags)
*flags++ = '\0'; /* terminate mode string */
for (mode = 0; mode < MPOL_MAX; mode++) {
if (!strcmp(str, policy_modes[mode])) {
break;
}
}
if (mode >= MPOL_MAX)
mode = match_string(policy_modes, MPOL_MAX, str);
if (mode < 0)
goto out;
switch (mode) {
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment