Pull release into acpica branch

1 files changed, 12 insertions, 8 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index c34f4a2c62f8..93a849f742db 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -38,7 +38,7 @@ struct pglist_data;
 #if defined(CONFIG_SMP)
 struct zone_padding {
         char x[0];
-} ____cacheline_maxaligned_in_smp;
+} ____cacheline_internodealigned_in_smp;
 #define ZONE_PADDING(name)      struct zone_padding name;
 #else
 #define ZONE_PADDING(name)
@@ -98,7 +98,7 @@ struct per_cpu_pageset {
 
 /*
  * On machines where it is needed (eg PCs) we divide physical memory
- * into multiple physical zones. On a PC we have 4 zones:
+ * into multiple physical zones. On a 32bit PC we have 4 zones:
  *
  * ZONE_DMA       < 16 MB       ISA DMA capable memory
  * ZONE_DMA32        0 MB       Empty
@@ -149,15 +149,17 @@ struct zone {
         unsigned long           pages_scanned;     /* since last reclaim */
         int                     all_unreclaimable; /* All pages pinned */
 
-        /*
-         * Does the allocator try to reclaim pages from the zone as soon
-         * as it fails a watermark_ok() in __alloc_pages?
-         */
-        int                     reclaim_pages;
         /* A count of how many reclaimers are scanning this zone */
         atomic_t                reclaim_in_progress;
 
         /*
+         * timestamp (in jiffies) of the last zone reclaim that did not
+         * result in freeing of pages. This is used to avoid repeated scans
+         * if all memory in the zone is in use.
+         */
+        unsigned long           last_unsuccessful_zone_reclaim;
+
+        /*
          * prev_priority holds the scanning priority for this zone.  It is
          * defined as the scanning priority at which we achieved our reclaim
          * target at the previous try_to_free_pages() or balance_pgdat()
@@ -233,7 +235,7 @@ struct zone {
          * rarely used fields:
          */
         char                    *name;
-} ____cacheline_maxaligned_in_smp;
+} ____cacheline_internodealigned_in_smp;
 
 
 /*
@@ -437,6 +439,8 @@ int min_free_kbytes_sysctl_handler(struct ctl_table *, int, struct file *,
 extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1];
 int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, struct file *,
                                         void __user *, size_t *, loff_t *);
+int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *, int, struct file *,
+                                        void __user *, size_t *, loff_t *);
 
 #include <linux/topology.h>
 /* Returns the number of the current Node. */