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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: Andrew Morton <akpm@osdl.org>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Christoph Lameter <clameter@sgi.com>, Ingo Molnar <mingo@elte.hu>,
Rik van Riel <riel@redhat.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 11/14] atomic_ulong_t
Date: Sun, 28 Jan 2007 14:13:54 +0100 [thread overview]
Message-ID: <20070128132437.299596000@programming.kicks-ass.net> (raw)
In-Reply-To: <20070128131343.628722000@programming.kicks-ass.net>
[-- Attachment #1: atomic_ulong_t.patch --]
[-- Type: text/plain, Size: 1611 bytes --]
provide an unsigned long atomic type.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
include/asm-generic/atomic.h | 45 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
Index: linux-2.6-git2/include/asm-generic/atomic.h
===================================================================
--- linux-2.6-git2.orig/include/asm-generic/atomic.h 2006-12-15 14:13:20.000000000 +0100
+++ linux-2.6-git2/include/asm-generic/atomic.h 2006-12-20 22:28:23.000000000 +0100
@@ -115,4 +115,49 @@ static inline void atomic_long_sub(long
#endif /* BITS_PER_LONG == 64 */
+typedef atomic_long_t atomic_ulong_t;
+
+#define ATOMIC_ULONG_INIT(i) ATOMIC_LONG_INIT(i)
+static inline unsigned long atomic_ulong_read(atomic_ulong_t *l)
+{
+ atomic_long_t *v = (atomic_long_t *)l;
+
+ return (unsigned long)atomic_long_read(v);
+}
+
+static inline void atomic_ulong_set(atomic_ulong_t *l, unsigned long i)
+{
+ atomic_long_t *v = (atomic_long_t *)l;
+
+ atomic_long_set(v, i);
+}
+
+static inline void atomic_ulong_inc(atomic_ulong_t *l)
+{
+ atomic_long_t *v = (atomic_long_t *)l;
+
+ atomic_long_inc(v);
+}
+
+static inline void atomic_ulong_dec(atomic_ulong_t *l)
+{
+ atomic_long_t *v = (atomic_long_t *)l;
+
+ atomic_long_dec(v);
+}
+
+static inline void atomic_ulong_add(unsigned long i, atomic_ulong_t *l)
+{
+ atomic_long_t *v = (atomic_long_t *)l;
+
+ atomic_long_add(i, v);
+}
+
+static inline void atomic_ulong_sub(unsigned long i, atomic_ulong_t *l)
+{
+ atomic_long_t *v = (atomic_long_t *)l;
+
+ atomic_long_sub(i, v);
+}
+
#endif /* _ASM_GENERIC_ATOMIC_H */
--
next prev parent reply other threads:[~2007-01-28 13:32 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-28 13:13 [PATCH 00/14] Concurrent Page Cache Peter Zijlstra
2007-01-28 13:13 ` [PATCH 01/14] radix-tree: use indirect bit Peter Zijlstra
2007-01-28 13:13 ` [PATCH 02/14] radix-tree: gang_lookup_slot Peter Zijlstra
2007-01-28 13:13 ` [PATCH 03/14] radix-tree: gang_lookup_tag_slot Peter Zijlstra
2007-01-28 13:13 ` [PATCH 04/14] mm: speculative get page Peter Zijlstra
2007-01-28 13:13 ` [PATCH 05/14] mm: lockless pagecache lookups Peter Zijlstra
2007-01-28 13:13 ` [PATCH 06/14] mm: fix speculative page get preemption bug Peter Zijlstra
2007-01-28 13:13 ` [PATCH 07/14] mm: speculative find_get_pages_tag Peter Zijlstra
2007-01-28 13:13 ` [PATCH 08/14] mm: remove find_tylock_page Peter Zijlstra
2007-01-28 13:13 ` [PATCH 09/14] mm: change tree_lock into a spinlock Peter Zijlstra
2007-01-28 13:13 ` [PATCH 10/14] radix-tree: concurrent write side support Peter Zijlstra
2007-01-28 13:13 ` Peter Zijlstra [this message]
2007-01-29 17:11 ` [PATCH 11/14] atomic_ulong_t Christoph Lameter
2007-01-28 13:13 ` [PATCH 12/14] mm/fs: abstract address_space::nrpages Peter Zijlstra
2007-01-28 13:13 ` [PATCH 13/14] mm: lock_page_ref Peter Zijlstra
2007-01-28 13:13 ` [PATCH 14/14] mm: concurrent pagecache write side Peter Zijlstra
2007-01-29 17:20 ` [PATCH 00/14] Concurrent Page Cache Christoph Lameter
2007-01-29 18:05 ` Peter Zijlstra
2007-01-29 18:15 ` Christoph Lameter
2007-01-29 18:56 ` Peter Zijlstra
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