[PATCH 5.10 517/530] mm/sl?b.c: remove ctor argument from kmem_cache_flags
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-05-12 16:45:16
Also in:
lkml
Subsystem:
memory management, slab allocator, the rest · Maintainers:
Andrew Morton, Vlastimil Babka, Harry Yoo, Linus Torvalds
From: Nikolay Borisov <redacted>
[ Upstream commit 3754000872188e3e4713d9d847fe3c615a47c220 ]
This argument hasn't been used since e153362a50a3 ("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 <redacted>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Vlastimil Babka <redacted>
Acked-by: Christoph Lameter <redacted>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <redacted>
Cc: Vlastimil Babka <redacted>
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>
---
mm/slab.c | 3 +--
mm/slab.h | 6 ++----
mm/slab_common.c | 2 +-
mm/slub.c | 9 +++------
4 files changed, 7 insertions(+), 13 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index b1113561b98b..b2cc2cf7d8a3 100644
--- a/mm/slab.c
+++ b/mm/slab.c@@ -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; }
diff --git a/mm/slab.h b/mm/slab.h
index f9977d6613d6..e258ffcfb0ef 100644
--- a/mm/slab.h
+++ b/mm/slab.h@@ -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; }
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 8d96679668b4..8f27ccf9f7f3 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c@@ -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;
diff --git a/mm/slub.c b/mm/slub.c
index fbc415c34009..05a501b67cd5 100644
--- a/mm/slub.c
+++ b/mm/slub.c@@ -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
--
2.30.2