tree c78428ed9c92bf0e4915f6dfa6a21d4e58e14465
parent 712cd386fdc983d318fecf302a2a9cb8e9de90c9
author Jan Kara <jack@suse.cz> 1355270469 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1355275343 -0800

mm: add comment on storage key dirty bit semantics

Add comments that dirty bit in storage key gets set whenever page content
is changed.  Hopefully if someone will use this function, he'll have a
look at one of the two places where we comment on this.

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>