The patch titled
atomic_ops.txt: mention local_t
has been removed from the -mm tree. Its filename was
atomic_opstxt-mention-local_t.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: atomic_ops.txt: mention local_t
From: Grant Grundler <grundler@xxxxxxxxxxxxxxxx>
local_t is a variant of atomic_t and has related ops to match.
Add reference for local_t documentation to atomic_ops.txt.
Signed-off-by: Grant Grundler <grundler@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/atomic_ops.txt | 4 ++++
1 file changed, 4 insertions(+)
diff -puN Documentation/atomic_ops.txt~atomic_opstxt-mention-local_t Documentation/atomic_ops.txt
--- a/Documentation/atomic_ops.txt~atomic_opstxt-mention-local_t
+++ a/Documentation/atomic_ops.txt
@@ -14,6 +14,10 @@ suffice:
typedef struct { volatile int counter; } atomic_t;
+local_t is very similar to atomic_t. If the counter is per CPU and only
+updated by one CPU, local_t is probably more appropriate. Please see
+Documentation/local_ops.txt for the semantics of local_t.
+
The first operations to implement for atomic_t's are the
initializers and plain reads.
_
Patches currently in -mm which might be from grundler@xxxxxxxxxxxxxxxx are
origin.patch
pa-risc-use-page-allocator-instead-of-slab-allocator.patch
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