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authorChristoph Lameter <clameter@engr.sgi.com>2006-01-06 00:11:20 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:33:29 -0800
commitd3cb487149bd706aa6aeb02042332a450978dc1c (patch)
tree69051e0f9853314cf275e4e800faad950e3053c3 /include/asm-m32r
parent070f80326a215d8e6c4fd6f175e28eb446c492bc (diff)
downloadop-kernel-dev-d3cb487149bd706aa6aeb02042332a450978dc1c.zip
op-kernel-dev-d3cb487149bd706aa6aeb02042332a450978dc1c.tar.gz
[PATCH] atomic_long_t & include/asm-generic/atomic.h V2
Several counters already have the need to use 64 atomic variables on 64 bit platforms (see mm_counter_t in sched.h). We have to do ugly ifdefs to fall back to 32 bit atomic on 32 bit platforms. The VM statistics patch that I am working on will also make more extensive use of atomic64. This patch introduces a new type atomic_long_t by providing definitions in asm-generic/atomic.h that works similar to the c "long" type. Its 32 bits on 32 bit platforms and 64 bits on 64 bit platforms. Also cleans up the determination of the mm_counter_t in sched.h. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-m32r')
-rw-r--r--include/asm-m32r/atomic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-m32r/atomic.h b/include/asm-m32r/atomic.h
index ef1fb8e..7076127 100644
--- a/include/asm-m32r/atomic.h
+++ b/include/asm-m32r/atomic.h
@@ -313,4 +313,5 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
+#include <asm-generic/atomic.h>
#endif /* _ASM_M32R_ATOMIC_H */
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