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authorMiaohe Lin <linmiaohe@huawei.com>2022-05-19 14:08:52 -0700
committerakpm <akpm@linux-foundation.org>2022-05-19 14:08:52 -0700
commit133d2743ef93ea8a979832d2ac72fb9d331045f3 (patch)
tree4f1d4f59b8f3d330f37fec24038cd64b9d1a2738 /mm
parent3c3115ad6baddbf526521231ea43d9fff34dfa11 (diff)
mm/swap: fix the comment of get_kernel_pages
If no pages were pinned, 0 is returned in fact. Fix the corresponding comment. [akpm@linux-foundation.org: s/nr_pages/nr_segs/ also, per David, reflow comment] Link: https://lkml.kernel.org/r/20220509131416.17553-15-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: David Hildenbrand <david@redhat.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: David Howells <dhowells@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Oscar Salvador <osalvador@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/swap.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/swap.c b/mm/swap.c
index 6d2c37f781f8..f3922a96b2e9 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -166,10 +166,10 @@ EXPORT_SYMBOL(put_pages_list);
* @pages: array that receives pointers to the pages pinned.
* Should be at least nr_segs long.
*
- * Returns number of pages pinned. This may be fewer than the number
- * requested. If nr_pages is 0 or negative, returns 0. If no pages
- * were pinned, returns -errno. Each page returned must be released
- * with a put_page() call when it is finished with.
+ * Returns number of pages pinned. This may be fewer than the number requested.
+ * If nr_segs is 0 or negative, returns 0. If no pages were pinned, returns 0.
+ * Each page returned must be released with a put_page() call when it is
+ * finished with.
*/
int get_kernel_pages(const struct kvec *kiov, int nr_segs, int write,
struct page **pages)