LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
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  */

--


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070128132437.299596000@programming.kicks-ass.net \
    --to=a.p.zijlstra@chello.nl \
    --cc=akpm@osdl.org \
    --cc=clameter@sgi.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=mingo@elte.hu \
    --cc=nickpiggin@yahoo.com.au \
    --cc=riel@redhat.com \
    --subject='Re: [PATCH 11/14] atomic_ulong_t' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).