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-rw-r--r--include/asm-i386/unistd.h2
-rw-r--r--include/asm-ia64/unistd.h1
-rw-r--r--include/linux/mmzone.h6
-rw-r--r--include/linux/swap.h1
4 files changed, 9 insertions, 1 deletions
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index 61bcc1b1e3f4..176413fb9ae3 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -256,7 +256,7 @@
#define __NR_io_submit 248
#define __NR_io_cancel 249
#define __NR_fadvise64 250
-
+#define __NR_set_zone_reclaim 251
#define __NR_exit_group 252
#define __NR_lookup_dcookie 253
#define __NR_epoll_create 254
diff --git a/include/asm-ia64/unistd.h b/include/asm-ia64/unistd.h
index 33e26c557c5c..f7f43ec2483a 100644
--- a/include/asm-ia64/unistd.h
+++ b/include/asm-ia64/unistd.h
@@ -263,6 +263,7 @@
#define __NR_add_key 1271
#define __NR_request_key 1272
#define __NR_keyctl 1273
+#define __NR_set_zone_reclaim 1276
#ifdef __KERNEL__
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index beacd931b606..dfc2452ccb10 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -145,6 +145,12 @@ struct zone {
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;
+
+ /*
* 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()
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 3bbc41be9bd0..0d21e682d99d 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -173,6 +173,7 @@ extern void swap_setup(void);
/* linux/mm/vmscan.c */
extern int try_to_free_pages(struct zone **, unsigned int, unsigned int);
+extern int zone_reclaim(struct zone *, unsigned int, unsigned int);
extern int shrink_all_memory(int);
extern int vm_swappiness;