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authorByongho Lee <bhlee.kernel@gmail.com>2018-01-31 16:15:36 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-01-31 17:18:35 -0800
commit692ae74aaf226a557d88d5412a1764c09e63a193 (patch)
tree1cc9dd8a77db15cbc5981a4e6d6f332bc6f10d7a /mm/slab.h
parentd984187e3a1ad7d12447a7ab2c43ce3717a2b5b3 (diff)
mm/slab_common.c: make calculate_alignment() static
calculate_alignment() function is only used inside slab_common.c. So make it static and let the compiler do more optimizations. After this patch there's a small improvement in text and data size. $ gcc --version gcc (GCC) 7.2.1 20171128 Before: text data bss dec hex filename 9890457 3828702 1212364 14931523 e3d643 vmlinux After: text data bss dec hex filename 9890437 3828670 1212364 14931471 e3d60f vmlinux Also I fixed a style problem reported by checkpatch. WARNING: Missing a blank line after declarations #53: FILE: mm/slab_common.c:286: + unsigned long ralign = cache_line_size(); + while (size <= ralign / 2) Link: http://lkml.kernel.org/r/20171210080132.406-1-bhlee.kernel@gmail.com Signed-off-by: Byongho Lee <bhlee.kernel@gmail.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slab.h')
-rw-r--r--mm/slab.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/mm/slab.h b/mm/slab.h
index ad657ffa44e5..e8e2095a6185 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -78,9 +78,6 @@ extern const struct kmalloc_info_struct {
unsigned long size;
} kmalloc_info[];
-unsigned long calculate_alignment(slab_flags_t flags,
- unsigned long align, unsigned long size);
-
#ifndef CONFIG_SLOB
/* Kmalloc array related functions */
void setup_kmalloc_cache_index_table(void);