Commit 89be82b4 authored by Kemeng Shi's avatar Kemeng Shi Committed by Andrew Morton
Browse files

mm/rmap: correct stale comment of rmap_walk_anon and rmap_walk_file 

1. update page to folio in comment
2. add comment of new added @locked

Link: https://lkml.kernel.org/r/20230718092136.1935789-1-shikemeng@huaweicloud.com


Signed-off-by: default avatarKemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Reviewed-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent cabdf74e

mm/rmap.c

+7 −5
Original line number Diff line number Diff line
@@ -2397,11 +2397,12 @@ static struct anon_vma *rmap_walk_anon_lock(struct folio *folio, 
/*

 * rmap_walk_anon - do something to anonymous page using the object-based

 * rmap method

 * @page: the page to be handled

 * @folio: the folio to be handled

 * @rwc: control variable according to each walk type

 * @locked: caller holds relevant rmap lock

 *

 * Find all the mappings of a page using the mapping pointer and the vma chains

 * contained in the anon_vma struct it points to.

 * Find all the mappings of a folio using the mapping pointer and the vma

 * chains contained in the anon_vma struct it points to.

 */

static void rmap_walk_anon(struct folio *folio,

		struct rmap_walk_control *rwc, bool locked)
@@ -2445,10 +2446,11 @@ static void rmap_walk_anon(struct folio *folio, 


/*

 * rmap_walk_file - do something to file page using the object-based rmap method

 * @page: the page to be handled

 * @folio: the folio to be handled

 * @rwc: control variable according to each walk type

 * @locked: caller holds relevant rmap lock

 *

 * Find all the mappings of a page using the mapping pointer and the vma chains

 * Find all the mappings of a folio using the mapping pointer and the vma chains

 * contained in the address_space struct it points to.

 */

static void rmap_walk_file(struct folio *folio,