diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2022-05-19 14:08:52 -0700 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-05-19 14:08:52 -0700 |
| commit | 133d2743ef93ea8a979832d2ac72fb9d331045f3 (patch) | |
| tree | 4f1d4f59b8f3d330f37fec24038cd64b9d1a2738 /mm/swap.c | |
| parent | 3c3115ad6baddbf526521231ea43d9fff34dfa11 (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/swap.c')
| -rw-r--r-- | mm/swap.c | 8 |
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) |