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SubjectRe: [RFC][PATCH v7 11/14] memcg: create support routines for writeback
On Fri, 13 May 2011 01:47:50 -0700
Greg Thelen <gthelen@google.com> wrote:

> Introduce memcg routines to assist in per-memcg writeback:
>
> - mem_cgroups_over_bground_dirty_thresh() determines if any cgroups need
> writeback because they are over their dirty memory threshold.
>
> - should_writeback_mem_cgroup_inode() determines if an inode is
> contributing pages to an over-limit memcg.
>
> - mem_cgroup_writeback_done() is used periodically during writeback to
> update memcg writeback data.
>
> Signed-off-by: Greg Thelen <gthelen@google.com>

Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

I'm okay with the bitmap..then, problem will be when set/clear wbc->for_cgroup...




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