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mm: unhide vmstat_text definition for CONFIG_SMP

Message ID 1462978517-2972312-1-git-send-email-arnd@arndb.de
State New
Headers show

Commit Message

Arnd Bergmann May 11, 2016, 2:54 p.m. UTC 
In randconfig builds with sysfs, procfs and numa all disabled,
but SMP enabled, we now get a link error in the newly introduced
vmstat_refresh function:

mm/built-in.o: In function `vmstat_refresh':
:(.text+0x15c78): undefined reference to `vmstat_text'

This modifes the already elaborate #ifdef to also cover that
configuration.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Fixes: mmotm ("mm: /proc/sys/vm/stat_refresh to force vmstat update")
---
 mm/vmstat.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

-- 
2.7.0
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Patch

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 57a24e919907..5367eb9b858b 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -678,7 +678,8 @@  int fragmentation_index(struct zone *zone, unsigned int order)
 }
 #endif
 
-#if defined(CONFIG_PROC_FS) || defined(CONFIG_SYSFS) || defined(CONFIG_NUMA)
+#if defined(CONFIG_PROC_FS) || defined(CONFIG_SYSFS) || \
+    defined(CONFIG_NUMA) || defined(CONFIG_SMP)
 #ifdef CONFIG_ZONE_DMA
 #define TEXT_FOR_DMA(xx) xx "_dma",
 #else
@@ -857,7 +858,7 @@  const char * const vmstat_text[] = {
 #endif
 #endif /* CONFIG_VM_EVENTS_COUNTERS */
 };
-#endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA */
+#endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA || CONFIG_SMP */
 
 
 #if (defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION)) || \