> This patch adds nid/zoneid value to page cgroup. > This helps per-zone accounting for memory cgroup and reclaim routine. > > Signed-off-by: KAMEZAWA Hiroyuki <kmaezawa.hiroyu@xxxxxxxxxxxxxx> > > mm/memcontrol.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > Index: linux-2.6.24-rc2-mm1/mm/memcontrol.c > =================================================================== > --- linux-2.6.24-rc2-mm1.orig/mm/memcontrol.c > +++ linux-2.6.24-rc2-mm1/mm/memcontrol.c > @@ -131,6 +131,8 @@ struct page_cgroup { > atomic_t ref_cnt; /* Helpful when pages move b/w */ > /* mapped and cached states */ > int flags; > + short nid; > + short zid; > }; > #define PAGE_CGROUP_FLAG_CACHE (0x1) /* charged as cache */ > #define PAGE_CGROUP_FLAG_ACTIVE (0x2) /* page is active in this cgroup */ > @@ -216,6 +218,10 @@ void page_assign_page_cgroup(struct page > VM_BUG_ON(!page_cgroup_locked(page)); > locked = (page->page_cgroup & PAGE_CGROUP_LOCK); > page->page_cgroup = ((unsigned long)pc | locked); > + if (pc) { > + pc->nid = page_to_nid(page); > + pc->zid = page_zonenum(page); > + } > } > > struct page_cgroup *page_get_page_cgroup(struct page *page) are they worth to be cached? can't you use page_zonenum(pc->page)? YAMAMOTO Takashi _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers