diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2012-01-12 20:17:30 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-12 23:13:03 -0500 |
| commit | 4156153c4daddf12dd386016f96a947a01e93bf4 (patch) | |
| tree | 6a8653a47bcda09b97870e5c79919790638afe0c /mm/vmstat.c | |
| parent | 43570fd2f47ba518145e9289f54cde3dba4c8b25 (diff) | |
mm,x86,um: move CMPXCHG_LOCAL config option
Move CMPXCHG_LOCAL and rename it to HAVE_CMPXCHG_LOCAL so architectures
can simply select the option if it is supported.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
| -rw-r--r-- | mm/vmstat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index 8fd603b1665e..f600557a7659 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c | |||
| @@ -295,7 +295,7 @@ void __dec_zone_page_state(struct page *page, enum zone_stat_item item) | |||
| 295 | } | 295 | } |
| 296 | EXPORT_SYMBOL(__dec_zone_page_state); | 296 | EXPORT_SYMBOL(__dec_zone_page_state); |
| 297 | 297 | ||
| 298 | #ifdef CONFIG_CMPXCHG_LOCAL | 298 | #ifdef CONFIG_HAVE_CMPXCHG_LOCAL |
| 299 | /* | 299 | /* |
| 300 | * If we have cmpxchg_local support then we do not need to incur the overhead | 300 | * If we have cmpxchg_local support then we do not need to incur the overhead |
| 301 | * that comes with local_irq_save/restore if we use this_cpu_cmpxchg. | 301 | * that comes with local_irq_save/restore if we use this_cpu_cmpxchg. |