diff options
| author | zhong jiang <[email protected]> | 2018-10-26 15:06:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2018-10-26 16:26:33 -0700 |
| commit | dedf2c73b80b4566dfcae8ebe9ed46a38b63a1f9 (patch) | |
| tree | 1f6c11fcbe8fbde13cf579a23a82f30fd95caf2b | |
| parent | c3df29d13044d885695067fa0b1386824942557a (diff) | |
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/[email protected]
Signed-off-by: zhong jiang <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/mempolicy.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 2e76a8f65e94..cfd26d7e61a1 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -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) { |