Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1567255

Re: [PATCH 1/5] mm: vmscan: scan dirty pages even in laptop mode

Show all headers | View raw

On Mon, Jan 23, 2017 at 01:16:37PM -0500, Johannes Weiner wrote:
> We have an elaborate dirty/writeback throttling mechanism inside the
> reclaim scanner, but for that to work the pages have to go through
> shrink_page_list() and get counted for what they are. Otherwise, we
> mess up the LRU order and don't match reclaim speed to writeback.
> 
> Especially during deactivation, there is never a reason to skip dirty
> pages; nothing is even trying to write them out from there. Don't mess
> up the LRU order for nothing, shuffle these pages along.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Acked-by: Mel Gorman <mgorman@suse.de>

-- 
Mel Gorman
SUSE Labs

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH 1/5] mm: vmscan: scan dirty pages even in laptop mode Johannes Weiner <hannes@cmpxchg.org> - 2017-01-23 19:20 +0100
  Re: [PATCH 1/5] mm: vmscan: scan dirty pages even in laptop mode Minchan Kim <minchan@kernel.org> - 2017-01-26 02:30 +0100
  Re: [PATCH 1/5] mm: vmscan: scan dirty pages even in laptop mode Mel Gorman <mgorman@suse.de> - 2017-01-26 11:00 +0100
  Re: [PATCH 1/5] mm: vmscan: scan dirty pages even in laptop mode Michal Hocko <mhocko@kernel.org> - 2017-01-26 14:20 +0100

csiph-web