redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

mm: don't set __GFP_WRITE on ramfs/sysfs writes 

There is not much point in skipping zones during allocation based on the
dirty usage which they'll never contribute to.  And we'd like to avoid
page reclaim waits when writing to ramfs/sysfs etc.

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Greg Thelen <gthelen@google.com>
Cc: Ying Han <yinghan@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Mel Gorman <mgorman@suse.de>
Acked-by: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Fengguang Wu 2012-03-21 16:34:08 -07:00 committed by Linus Torvalds
parent a05b0855fd
commit 1010bb1b80
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
mm/filemap.c
View File

@ -2341,7 +2341,9 @@ struct page *grab_cache_page_write_begin(struct address_space *mapping,
struct page *page;
gfp_t gfp_notmask = 0;
gfp_mask = mapping_gfp_mask(mapping) | __GFP_WRITE;
gfp_mask = mapping_gfp_mask(mapping);
if (mapping_cap_account_dirty(mapping))
gfp_mask |= __GFP_WRITE;
if (flags & AOP_FLAG_NOFS)
gfp_notmask = __GFP_FS;
repeat: