The patch titled
Subject: mm/shmem.c: make array 'values' static const, makes object smaller
has been added to the -mm tree. Its filename is
mm-shmemc-make-array-values-static-const-makes-object-smaller.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-shmemc-make-array-values-static-const-makes-object-smaller.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-shmemc-make-array-values-static-const-makes-object-smaller.patch
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------------------------------------------------------
From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Subject: mm/shmem.c: make array 'values' static const, makes object smaller
Don't populate the array 'values' on the stack but instead make it static
const. Makes the object code smaller by 111 bytes.
Before:
text data bss dec hex filename
108612 11169 512 120293 1d5e5 mm/shmem.o
After:
text data bss dec hex filename
108437 11233 512 120182 1d576 mm/shmem.o
(gcc version 9.2.1, amd64)
Link: http://lkml.kernel.org/r/20190906143012.28698-1-colin.king@xxxxxxxxxxxxx
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shmem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/shmem.c~mm-shmemc-make-array-values-static-const-makes-object-smaller
+++ a/mm/shmem.c
@@ -3923,7 +3923,7 @@ out2:
static ssize_t shmem_enabled_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- int values[] = {
+ static const int values[] = {
SHMEM_HUGE_ALWAYS,
SHMEM_HUGE_WITHIN_SIZE,
SHMEM_HUGE_ADVISE,
_
Patches currently in -mm which might be from colin.king@xxxxxxxxxxxxx are
mm-shmemc-make-array-values-static-const-makes-object-smaller.patch
