linux-kernel - [PATCH 2/3] mm: slab: rename (un)charge_slab_page() to (un)account_slab

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Date:   Tue, 7 Jul 2020 10:36:11 -0700
From:   Roman Gushchin <guro@...com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...nel.org>,
        Shakeel Butt <shakeelb@...gle.com>, <linux-mm@...ck.org>,
        Vlastimil Babka <vbabka@...e.cz>, <kernel-team@...com>,
        <linux-kernel@...r.kernel.org>, Roman Gushchin <guro@...com>
Subject: [PATCH 2/3] mm: slab: rename (un)charge_slab_page() to (un)account_slab_page()

charge_slab_page() and uncharge_slab_page() are not related anymore
to memcg charging and uncharging. In order to make their names
less confusing, let's rename them to account_slab_page() and
unaccount_slab_page() respectively.

Signed-off-by: Roman Gushchin <guro@...com>
---
 mm/slab.c | 4 ++--
 mm/slab.h | 8 ++++----
 mm/slub.c | 4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/mm/slab.c b/mm/slab.c
index fafd46877504..300adfb67245 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1379,7 +1379,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags,
 		return NULL;
 	}
 
-	charge_slab_page(page, cachep->gfporder, cachep);
+	account_slab_page(page, cachep->gfporder, cachep);
 	__SetPageSlab(page);
 	/* Record if ALLOC_NO_WATERMARKS was set when allocating the slab */
 	if (sk_memalloc_socks() && page_is_pfmemalloc(page))
@@ -1403,7 +1403,7 @@ static void kmem_freepages(struct kmem_cache *cachep, struct page *page)
 
 	if (current->reclaim_state)
 		current->reclaim_state->reclaimed_slab += 1 << order;
-	uncharge_slab_page(page, order, cachep);
+	unaccount_slab_page(page, order, cachep);
 	__free_pages(page, order);
 }
 
diff --git a/mm/slab.h b/mm/slab.h
index 704a65713f81..72ff7cd933db 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -440,15 +440,15 @@ static inline struct kmem_cache *virt_to_cache(const void *obj)
 	return page->slab_cache;
 }
 
-static __always_inline void charge_slab_page(struct page *page, int order,
-					     struct kmem_cache *s)
+static __always_inline void account_slab_page(struct page *page, int order,
+					      struct kmem_cache *s)
 {
 	mod_node_page_state(page_pgdat(page), cache_vmstat_idx(s),
 			    PAGE_SIZE << order);
 }
 
-static __always_inline void uncharge_slab_page(struct page *page, int order,
-					       struct kmem_cache *s)
+static __always_inline void unaccount_slab_page(struct page *page, int order,
+						struct kmem_cache *s)
 {
 	if (memcg_kmem_enabled())
 		memcg_free_page_obj_cgroups(page);
diff --git a/mm/slub.c b/mm/slub.c
index d9b33a935e58..5cffd3fd440b 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1621,7 +1621,7 @@ static inline struct page *alloc_slab_page(struct kmem_cache *s,
 		page = __alloc_pages_node(node, flags, order);
 
 	if (page)
-		charge_slab_page(page, order, s);
+		account_slab_page(page, order, s);
 
 	return page;
 }
@@ -1844,7 +1844,7 @@ static void __free_slab(struct kmem_cache *s, struct page *page)
 	page->mapping = NULL;
 	if (current->reclaim_state)
 		current->reclaim_state->reclaimed_slab += pages;
-	uncharge_slab_page(page, order, s);
+	unaccount_slab_page(page, order, s);
 	__free_pages(page, order);
 }
 
-- 
2.26.2