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-rw-r--r--include/linux/kernel.h7
-rw-r--r--mm/page_alloc.c12
2 files changed, 12 insertions, 7 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 4fa373bb18a..4d00988dad0 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -350,4 +350,11 @@ struct sysinfo {
/* Trap pasters of __FUNCTION__ at compile-time */
#define __FUNCTION__ (__func__)
+/* This helps us to avoid #ifdef CONFIG_NUMA */
+#ifdef CONFIG_NUMA
+#define NUMA_BUILD 1
+#else
+#define NUMA_BUILD 0
+#endif
+
#endif
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8a6418b0d2c..4c76188b168 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -942,7 +942,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order,
*/
do {
zone = *z;
- if (unlikely((gfp_mask & __GFP_THISNODE) &&
+ if (unlikely(NUMA_BUILD && (gfp_mask & __GFP_THISNODE) &&
zone->zone_pgdat != zonelist->zones[0]->zone_pgdat))
break;
if ((alloc_flags & ALLOC_CPUSET) &&
@@ -1256,14 +1256,12 @@ unsigned int nr_free_pagecache_pages(void)
{
return nr_free_zone_pages(gfp_zone(GFP_HIGHUSER));
}
-#ifdef CONFIG_NUMA
-static void show_node(struct zone *zone)
+
+static inline void show_node(struct zone *zone)
{
- printk("Node %ld ", zone_to_nid(zone));
+ if (NUMA_BUILD)
+ printk("Node %ld ", zone_to_nid(zone));
}
-#else
-#define show_node(zone) do { } while (0)
-#endif
void si_meminfo(struct sysinfo *val)
{