The patch titled
mempolicy: lose unnecessary loop variable in mpol_parse_str()
has been added to the -mm tree. Its filename is
mempolicy-lose-unnecessary-loop-variable-in-mpol_parse_str.patch
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Subject: mempolicy: lose unnecessary loop variable in mpol_parse_str()
From: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
We don't really need the extra variable 'i' in mpol_parse_str(). The only
use is as the the loop variable. Then, it's assigned to 'mode'. Just use
mode, and loose the 'uninitialized_var()' macro.
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
Cc: Hugh Dickins <hugh.dickins@xxxxxxxxxxxxx>
Cc: Ravikiran Thirumalai <kiran@xxxxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff -puN mm/mempolicy.c~mempolicy-lose-unnecessary-loop-variable-in-mpol_parse_str mm/mempolicy.c
--- a/mm/mempolicy.c~mempolicy-lose-unnecessary-loop-variable-in-mpol_parse_str
+++ a/mm/mempolicy.c
@@ -2193,12 +2193,11 @@ static const char * const policy_types[]
int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
{
struct mempolicy *new = NULL;
- unsigned short uninitialized_var(mode);
+ unsigned short mode;
unsigned short uninitialized_var(mode_flags);
nodemask_t nodes;
char *nodelist = strchr(str, ':');
char *flags = strchr(str, '=');
- int i;
int err = 1;
if (nodelist) {
@@ -2214,13 +2213,12 @@ int mpol_parse_str(char *str, struct mem
if (flags)
*flags++ = '\0'; /* terminate mode string */
- for (i = 0; i <= MPOL_LOCAL; i++) {
- if (!strcmp(str, policy_types[i])) {
- mode = i;
+ for (mode = 0; mode <= MPOL_LOCAL; mode++) {
+ if (!strcmp(str, policy_types[mode])) {
break;
}
}
- if (i > MPOL_LOCAL)
+ if (mode > MPOL_LOCAL)
goto out;
switch (mode) {
_
Patches currently in -mm which might be from lee.schermerhorn@xxxxxx are
tmpfs-fix-oops-on-mounts-with-mpol=default.patch
tmpfs-mpol=bind-0-dont-cause-mount-error.patch
tmpfs-handle-mpol_local-mount-option-properly.patch
tmpfs-cleanup-mpol_parse_str.patch
doc-add-the-documentation-for-mpol=local.patch
mempolicy-fix-get_mempolicy-for-relative-and-static-nodes.patch
mempolicy-remove-case-mpol_interleave-from-policy_zonelist.patch
mempolicy-remove-redundant-check.patch
mempolicy-dont-call-mpol_set_nodemask-when-no_context.patch
mempolicy-lose-unnecessary-loop-variable-in-mpol_parse_str.patch
mempolicy-rename-policy_types-and-cleanup-initialization.patch
mempolicy-factor-mpol_shared_policy_init-return-paths.patch
mempolicy-document-cpuset-interaction-with-tmpfs-mpol-mount-option.patch
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