On Tue, 31 Aug 2010 13:33:29 +0900
Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx> wrote:
> On Wed, 25 Aug 2010 17:11:40 +0900
> KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
>
> > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> >
> > Preparing for adding new status arounf file caches.(dirty, writeback,etc..)
> > Using a unified macro and more generic names.
> > All counters will have the same rule for updating.
> >
> > Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
>
> Reviewed-by: Daisuke Nishimura <nishimura@xxxxxxxxxxxxxxxxx>
>
> one nitpick.
>
> > @@ -2042,17 +2031,20 @@ static void __mem_cgroup_commit_charge(s
> > static void __mem_cgroup_move_account(struct page_cgroup *pc,
> > struct mem_cgroup *from, struct mem_cgroup *to, bool uncharge)
> > {
> > + int i;
> > VM_BUG_ON(from == to);
> > VM_BUG_ON(PageLRU(pc->page));
> > VM_BUG_ON(!PageCgroupLocked(pc));
> > VM_BUG_ON(!PageCgroupUsed(pc));
> > VM_BUG_ON(id_to_memcg(pc->mem_cgroup, true) != from);
> >
> > - if (PageCgroupFileMapped(pc)) {
> > + for (i = MEM_CGROUP_FSTAT_BASE; i < MEM_CGROUP_FSTAT_END; ++i) {
> > + if (!test_bit(fflag_idx(MEMCG_FSTAT_IDX(i)), &pc->flags))
> > + continue;
> > /* Update mapped_file data for mem_cgroup */
> It might be better to update this comment too.
>
> /* Update file-stat data for mem_cgroup */
>
> or something ?
>
Nice catch. I'll fix this.
-Kame
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