diff options
| author | Peter Zijlstra <[email protected]> | 2013-11-14 22:31:54 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2013-11-15 00:32:20 +0000 |
| commit | 57f4257eae33e036125973858934730250d464e3 (patch) | |
| tree | f8011cdf5b2e77abb4c721221793d40ed24985a7 /lib/lockref.c | |
| parent | mm: create a separate slab for page->ptl allocation (diff) | |
| download | kernel-57f4257eae33e036125973858934730250d464e3.tar.gz kernel-57f4257eae33e036125973858934730250d464e3.zip | |
lockref: use BLOATED_SPINLOCKS to avoid explicit config dependencies
Avoid the fragile Kconfig construct guestimating spinlock_t sizes; use a
friendly compile-time test to determine this.
[[email protected]: drop CONFIG_CMPXCHG_LOCKREF]
Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Kirill A. Shutemov <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/lockref.c')
| -rw-r--r-- | lib/lockref.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/lockref.c b/lib/lockref.c index af6e95d0bed6..d2b123f8456b 100644 --- a/lib/lockref.c +++ b/lib/lockref.c @@ -1,7 +1,7 @@ #include <linux/export.h> #include <linux/lockref.h> -#ifdef CONFIG_CMPXCHG_LOCKREF +#if USE_CMPXCHG_LOCKREF /* * Allow weakly-ordered memory architectures to provide barrier-less |