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mm: filemap: add missing FGP_ flags in kerneldoc comment for pagecache_get_page 

FGP_{WRITE|NOFS|NOWAIT} were missed in pagecache_get_page's kerneldoc
comment.

Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Gang Deng <gavin.dg@linux.alibaba.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@surriel.com>
Link: http://lkml.kernel.org/r/1593031747-4249-1-git-send-email-yang.shi@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yang Shi 2020-08-06 23:19:58 -07:00 committed by Linus Torvalds
parent b9306a796c
commit 605cad8343
1 changed files with 3 additions and 0 deletions
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mm/filemap.c
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@ -1649,6 +1649,9 @@ EXPORT_SYMBOL(find_lock_entry);
* * %FGP_FOR_MMAP - The caller wants to do its own locking dance if the * * %FGP_FOR_MMAP - The caller wants to do its own locking dance if the
* page is already in cache. If the page was allocated, unlock it before * page is already in cache. If the page was allocated, unlock it before
* returning so the caller can do the same dance. * returning so the caller can do the same dance.
* * %FGP_WRITE - The page will be written
* * %FGP_NOFS - __GFP_FS will get cleared in gfp mask
* * %FGP_NOWAIT - Don't get blocked by page lock
* *
* If %FGP_LOCK or %FGP_CREAT are specified then the function may sleep even * If %FGP_LOCK or %FGP_CREAT are specified then the function may sleep even
* if the %GFP flags specified for %FGP_CREAT are atomic. * if the %GFP flags specified for %FGP_CREAT are atomic.