[PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [2/10] nid/zid helper function for cgroup

Add macro to get node_id and zone_id of page_cgroup.
Will be used in per-zone-xxx patches and others.

Changelog:
 - returns zone_type instead of int.

Signed-off-by: KAMEZAWA Hiroyuki <[email protected]>


 mm/memcontrol.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

Index: linux-2.6.24-rc3-mm1/mm/memcontrol.c
===================================================================
--- linux-2.6.24-rc3-mm1.orig/mm/memcontrol.c	2007-11-26 15:31:19.000000000 +0900
+++ linux-2.6.24-rc3-mm1/mm/memcontrol.c	2007-11-26 16:39:00.000000000 +0900
@@ -135,6 +135,16 @@
 #define PAGE_CGROUP_FLAG_CACHE	(0x1)	/* charged as cache */
 #define PAGE_CGROUP_FLAG_ACTIVE (0x2)	/* page is active in this cgroup */
 
+static inline int page_cgroup_nid(struct page_cgroup *pc)
+{
+	return page_to_nid(pc->page);
+}
+
+static inline enum zone_type page_cgroup_zid(struct page_cgroup *pc)
+{
+	return page_zonenum(pc->page);
+}
+
 enum {
 	MEM_CGROUP_TYPE_UNSPEC = 0,
 	MEM_CGROUP_TYPE_MAPPED,

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [0/10] introduction
    • From: KAMEZAWA Hiroyuki <[email protected]>

• Prev by Date: [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [1/10] add scan_global_lru macro
• Next by Date: [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [3/10] per-zone active inactive counter
• Previous by thread: [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [1/10] add scan_global_lru macro
• Next by thread: [PATCH][for -mm] per-zone and reclaim enhancements for memory controller take 3 [3/10] per-zone active inactive counter
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]