On Mon, Oct 02, 2017 at 09:56:16AM +0200, Michal Hocko wrote:
> On Wed 27-09-17 15:13:11, Tahsin Erdogan wrote:
> > "mapping" parameter to balance_dirty_pages() is not used anymore.
> >
> > Fixes: dfb8ae567835 ("writeback: let balance_dirty_pages() work on the matching cgroup bdi_writeback")
>
> balance_dirty_pages_ratelimited doesn't really need mapping as well. All
> it needs is the inode and we already have it in callers. So would it
> make sense to refactor a bit further and make its argument an inode?
It's nicer to keep this a "page cache" interface, as its primary
callsites are in mm/memory.c and mm/filemap.c:
$ git grep -c 'inode' mm/filemap.c mm/memory.c
mm/filemap.c:38
$ git grep -c 'mapping' mm/filemap.c mm/memory.c
mm/filemap.c:260
mm/memory.c:93
> > Signed-off-by: Tahsin Erdogan <tahsin@xxxxxxxxxx>
>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
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