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mm: Convert [un]account_slab_page() to struct slab 

Convert the parameter of these functions to struct slab instead of
struct page and drop _page from the names. For now their callers just
convert page to slab.

[ vbabka@suse.cz: replace existing functions instead of calling them ]

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Roman Gushchin <guro@fb.com>
This commit is contained in:
Matthew Wilcox (Oracle) 2021-10-04 14:45:52 +01:00 committed by Vlastimil Babka
parent d122019bf0
commit b918653b4f
3 changed files with 12 additions and 13 deletions
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4
mm/slab.c
View File

@ -1380,7 +1380,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags,
return NULL;
}
account_slab_page(page, cachep->gfporder, cachep, flags);
account_slab(page_slab(page), cachep->gfporder, cachep, flags);
__SetPageSlab(page);
/* Record if ALLOC_NO_WATERMARKS was set when allocating the slab */
if (sk_memalloc_socks() && page_is_pfmemalloc(page))
@ -1405,7 +1405,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct page *page)
if (current->reclaim_state)
current->reclaim_state->reclaimed_slab += 1 << order;
unaccount_slab_page(page, order, cachep);
unaccount_slab(page_slab(page), order, cachep);
__free_pages(page, order);
}

15
mm/slab.h
View File

@ -583,24 +583,23 @@ static inline struct kmem_cache *virt_to_cache(const void *obj)
return page->slab_cache;
}
static __always_inline void account_slab_page(struct page *page, int order,
struct kmem_cache *s,
gfp_t gfp)
static __always_inline void account_slab(struct slab *slab, int order,
struct kmem_cache *s, gfp_t gfp)
{
if (memcg_kmem_enabled() && (s->flags & SLAB_ACCOUNT))
memcg_alloc_page_obj_cgroups(page, s, gfp, true);
memcg_alloc_page_obj_cgroups(slab_page(slab), s, gfp, true);
mod_node_page_state(page_pgdat(page), cache_vmstat_idx(s),
mod_node_page_state(slab_pgdat(slab), cache_vmstat_idx(s),
PAGE_SIZE << order);
}
static __always_inline void unaccount_slab_page(struct page *page, int order,
static __always_inline void unaccount_slab(struct slab *slab, int order,
struct kmem_cache *s)
{
if (memcg_kmem_enabled())
memcg_free_page_obj_cgroups(page);
memcg_free_page_obj_cgroups(slab_page(slab));
mod_node_page_state(page_pgdat(page), cache_vmstat_idx(s),
mod_node_page_state(slab_pgdat(slab), cache_vmstat_idx(s),
-(PAGE_SIZE << order));
}

4
mm/slub.c
View File

@ -1943,7 +1943,7 @@ static struct page *allocate_slab(struct kmem_cache *s, gfp_t flags, int node)
page->objects = oo_objects(oo);
account_slab_page(page, oo_order(oo), s, flags);
account_slab(page_slab(page), oo_order(oo), s, flags);
page->slab_cache = s;
__SetPageSlab(page);
@ -2014,7 +2014,7 @@ static void __free_slab(struct kmem_cache *s, struct page *page)
page->slab_cache = NULL;
if (current->reclaim_state)
current->reclaim_state->reclaimed_slab += pages;
unaccount_slab_page(page, order, s);
unaccount_slab(page_slab(page), order, s);
__free_pages(page, order);
}