[PATCH v2 02/33] mm/slab: Dissolve slab_map_pages() in its caller
STALE696d
From: Vlastimil Babka <hidden>
Date: 2021-12-01 18:17:39
Also in:
linux-patches
Subsystem:
memory management, the rest · Maintainers:
Andrew Morton, Linus Torvalds
Revision v2 of 3 in this series.
Revisions (3)
- rfc [diff vs current]
- v2 current
- v4 [diff vs current]
The function no longer does what its name and comment suggests, and just sets two struct page fields, which can be done directly in its sole caller. Signed-off-by: Vlastimil Babka <redacted> --- mm/slab.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index ca4822f6b2b6..381875e23277 100644
--- a/mm/slab.c
+++ b/mm/slab.c@@ -2546,18 +2546,6 @@ static void slab_put_obj(struct kmem_cache *cachep, set_free_obj(page, page->active, objnr); } -/* - * Map pages beginning at addr to the given cache and slab. This is required - * for the slab allocator to be able to lookup the cache and slab of a - * virtual address for kfree, ksize, and slab debugging. - */ -static void slab_map_pages(struct kmem_cache *cache, struct page *page, - void *freelist) -{ - page->slab_cache = cache; - page->freelist = freelist; -} - /* * Grow (by 1) the number of slabs within a cache. This is called by * kmem_cache_alloc() when there are no active objs left in a cache.
@@ -2621,7 +2609,8 @@ static struct page *cache_grow_begin(struct kmem_cache *cachep, if (OFF_SLAB(cachep) && !freelist) goto opps1; - slab_map_pages(cachep, page, freelist); + page->slab_cache = cachep; + page->freelist = freelist; cache_init_objs(cachep, page);
--
2.33.1