The patch titled
Subject: mm: don't set __GFP_WRITE on ramfs/sysfs writes
has been removed from the -mm tree. Its filename was
mm-dont-set-__gfp_write-on-ramfs-sysfs-writes.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Subject: 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@xxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Greg Thelen <gthelen@xxxxxxxxxx>
Cc: Ying Han <yinghan@xxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Acked-by: Minchan Kim <minchan.kim@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/filemap.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN mm/filemap.c~mm-dont-set-__gfp_write-on-ramfs-sysfs-writes mm/filemap.c
--- a/mm/filemap.c~mm-dont-set-__gfp_write-on-ramfs-sysfs-writes
+++ a/mm/filemap.c
@@ -2341,7 +2341,9 @@ struct page *grab_cache_page_write_begin
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:
_
Patches currently in -mm which might be from fengguang.wu@xxxxxxxxx are
origin.patch
linux-next.patch
move-page-typesc-from-documentation-to-tools-vm.patch
move-slabinfoc-to-tools-vm.patch
move-hugepage-test-examples-to-tools-testing-selftests-vm.patch
move-hugepage-test-examples-to-tools-testing-selftests-vm-fix.patch
move-hugepage-test-examples-to-tools-testing-selftests-vm-fix-fix.patch
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