This patch moves zone_reclaim and associated helpers
outside CONFIG_NUMA. This infrastructure is reused
in the patches for page cache control that follow.
Signed-off-by: Balbir Singh <bal...@linux.vnet.ibm.com>
---
include/linux/mmzone.h | 4 ++--
mm/vmscan.c | 2 --
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 4890662..aeede91 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -302,12 +302,12 @@ struct zone {
*/
unsigned long lowmem_reserve[MAX_NR_ZONES];
-#ifdef CONFIG_NUMA
- int node;
/*
* zone reclaim becomes active if more unmapped pages exist.
*/
unsigned long min_unmapped_pages;
+#ifdef CONFIG_NUMA
+ int node;
unsigned long min_slab_pages;
#endif
struct per_cpu_pageset __percpu *pageset;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8cc90d5..325443a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2644,7 +2644,6 @@ static int __init kswapd_init(void)
module_init(kswapd_init)
-#ifdef CONFIG_NUMA
/*
* Zone reclaim mode
*
@@ -2854,7 +2853,6 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask,
unsigned int order)
return ret;
}
-#endif
/*
* page_evictable - test whether a page is evictable
--
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