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mm/sl?b.c: remove ctor argument from kmem_cache_flags

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[ Upstream commit 3754000872188e3e4713d9d847fe3c615a47c220 ]

This argument hasn't been used since e153362a50 ("slub: Remove objsize
check in kmem_cache_flags()") so simply remove it.

Link: https://lkml.kernel.org/r/20210126095733.974665-1-nborisov@suse.com
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Christoph Lameter <cl@linux.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Nikolay Borisov 2021-02-24 12:00:58 -08:00 committed by Greg Kroah-Hartman
parent 618fa6a35c
commit 2e95bc6cfe
4 changed files with 7 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
mm/slab.c
View File

@ -1789,8 +1789,7 @@ static int __ref setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp)
}
slab_flags_t kmem_cache_flags(unsigned int object_size,
slab_flags_t flags, const char *name,
void (*ctor)(void *))
slab_flags_t flags, const char *name)
{
return flags;
}

6
mm/slab.h
View File

@ -110,8 +110,7 @@ __kmem_cache_alias(const char *name, unsigned int size, unsigned int align,
slab_flags_t flags, void (*ctor)(void *));
slab_flags_t kmem_cache_flags(unsigned int object_size,
slab_flags_t flags, const char *name,
void (*ctor)(void *));
slab_flags_t flags, const char *name);
#else
static inline struct kmem_cache *
__kmem_cache_alias(const char *name, unsigned int size, unsigned int align,
@ -119,8 +118,7 @@ __kmem_cache_alias(const char *name, unsigned int size, unsigned int align,
{ return NULL; }
static inline slab_flags_t kmem_cache_flags(unsigned int object_size,
slab_flags_t flags, const char *name,
void (*ctor)(void *))
slab_flags_t flags, const char *name)
{
return flags;
}

2
mm/slab_common.c
View File

@ -196,7 +196,7 @@ struct kmem_cache *find_mergeable(unsigned int size, unsigned int align,
size = ALIGN(size, sizeof(void *));
align = calculate_alignment(flags, align, size);
size = ALIGN(size, align);
flags = kmem_cache_flags(size, flags, name, NULL);
flags = kmem_cache_flags(size, flags, name);
if (flags & SLAB_NEVER_MERGE)
return NULL;

9
mm/slub.c
View File

@ -1397,7 +1397,6 @@ __setup("slub_debug", setup_slub_debug);
* @object_size: the size of an object without meta data
* @flags: flags to set
* @name: name of the cache
* @ctor: constructor function
*
* Debug option(s) are applied to @flags. In addition to the debug
* option(s), if a slab name (or multiple) is specified i.e.
@ -1405,8 +1404,7 @@ __setup("slub_debug", setup_slub_debug);
* then only the select slabs will receive the debug option(s).
*/
slab_flags_t kmem_cache_flags(unsigned int object_size,
slab_flags_t flags, const char *name,
void (*ctor)(void *))
slab_flags_t flags, const char *name)
{
char *iter;
size_t len;
@ -1471,8 +1469,7 @@ static inline void add_full(struct kmem_cache *s, struct kmem_cache_node *n,
static inline void remove_full(struct kmem_cache *s, struct kmem_cache_node *n,
struct page *page) {}
slab_flags_t kmem_cache_flags(unsigned int object_size,
slab_flags_t flags, const char *name,
void (*ctor)(void *))
slab_flags_t flags, const char *name)
{
return flags;
}
@ -3782,7 +3779,7 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order)
static int kmem_cache_open(struct kmem_cache *s, slab_flags_t flags)
{
s->flags = kmem_cache_flags(s->size, flags, s->name, s->ctor);
s->flags = kmem_cache_flags(s->size, flags, s->name);
#ifdef CONFIG_SLAB_FREELIST_HARDENED
s->random = get_random_long();
#endif