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mm/slab: Dissolve slab_map_pages() in its caller

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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 <vbabka@suse.cz>
Reviewed-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
This commit is contained in:
Vlastimil Babka 2021-11-01 17:02:30 +01:00
parent 7d4203c134
commit c798154311
1 changed files with 2 additions and 13 deletions
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15
mm/slab.c
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@ -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);