[RFC PATCH 9/10] split VM and memory controllers

[Rik van Riel <riel@redhat.com>]

The memory controller code is still quite simple, so don't do
anything fancy for now trying to make it work better with the
split VM code.

Will be merged into 6/10 soon.

Signed-off-by: Rik van Riel <riel@redhat.com>

Index: linux-2.6.23-mm1/mm/memcontrol.c
===================================================================
--- linux-2.6.23-mm1.orig/mm/memcontrol.c
+++ linux-2.6.23-mm1/mm/memcontrol.c
@@ -210,7 +210,6 @@ unsigned long mem_cgroup_isolate_pages(u
 	struct list_head *src;
 	struct page_cgroup *pc;
 
-//TODO:  memory container maintain separate file/anon lists?
 	if (active)
 		src = &mem_cont->active_list;
 	else
@@ -222,6 +221,9 @@ unsigned long mem_cgroup_isolate_pages(u
 		page = pc->page;
 		VM_BUG_ON(!pc);
 
+		/*
+		 * TODO: play better with lumpy reclaim, grabbing anything.
+		 */
 		if (PageActive(page) && !active) {
 			__mem_cgroup_move_lists(pc, true);
 			scan--;
@@ -240,6 +242,9 @@ unsigned long mem_cgroup_isolate_pages(u
 		if (page_zone(page) != z)
 			continue;
 
+		if (file != !!page_file_cache(page))
+			continue;
+
 		/*
 		 * Check if the meta page went away from under us
 		 */
-
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