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From: Paul Jackson <pj@sgi.com>
To: David Rientjes <rientjes@google.com>
Cc: akpm@linux-foundation.org, clameter@sgi.com,
	Lee.Schermerhorn@hp.com, ak@suse.de,
	linux-kernel@vger.kernel.org
Subject: Re: [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag
Date: Tue, 26 Feb 2008 00:12:29 -0600	[thread overview]
Message-ID: <20080226001229.aea2f3d5.pj@sgi.com> (raw)
In-Reply-To: <alpine.DEB.1.00.0802250016120.12368@chino.kir.corp.google.com>

David wrote:
+static nodemask_t mpol_relative_nodemask(const nodemask_t *orig,
+					 const nodemask_t *rel)
+{
+	nodemask_t ret;
+	nodemask_t tmp;

Could you avoid needing the nodemask_t 'ret' on the stack, by passing
in a "nodemask_t *" pointer to where you want the resulting nodemask_t
written, rather than by returning it by value?

 static void mpol_relative_nodemask(nodemask_t *ret, const nodemask_t *orig,
					 const nodemask_t *rel)

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.940.382.4214

  parent reply	other threads:[~2008-02-26  6:12 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-25 15:35 [patch 1/6] mempolicy: convert MPOL constants to enum David Rientjes
2008-02-25 15:35 ` [patch 2/6] mempolicy: support optional mode flags David Rientjes
2008-02-25 15:35   ` [patch 3/6] mempolicy: add MPOL_F_STATIC_NODES flag David Rientjes
2008-02-25 15:35     ` [patch 4/6] mempolicy: add bitmap_onto() and bitmap_fold() operations David Rientjes
2008-02-25 15:35       ` [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag David Rientjes
2008-02-25 15:35         ` [patch 6/6] mempolicy: update NUMA memory policy documentation David Rientjes
2008-02-26 17:34           ` Paul Jackson
2008-02-26 21:23             ` David Rientjes
2008-02-26  6:12         ` Paul Jackson [this message]
2008-02-26  6:45           ` [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag David Rientjes
2008-02-26 17:44         ` Paul Jackson
2008-02-26 21:17           ` David Rientjes
2008-02-26 21:30             ` Paul Jackson
2008-02-26 21:27           ` Lee Schermerhorn
2008-02-27  1:17         ` David Rientjes
2008-02-27  1:31           ` David Rientjes
2008-02-27  2:30           ` Paul Jackson
2008-02-27 15:37           ` Lee Schermerhorn
2008-02-27 17:09             ` Paul Jackson
2008-02-28 21:08             ` David Rientjes
2008-02-26  5:46     ` [patch 3/6] mempolicy: add MPOL_F_STATIC_NODES flag Paul Jackson
2008-02-26  6:53       ` David Rientjes
2008-02-26 17:56     ` Paul Jackson
2008-02-26 21:02       ` David Rientjes
2008-02-26 21:32         ` Lee Schermerhorn
2008-02-26 21:54           ` David Rientjes
2008-02-26 22:08             ` Paul Jackson
2008-02-26 21:39         ` Paul Jackson
2008-02-26  3:20 ` [patch 1/6] mempolicy: convert MPOL constants to enum Paul Jackson
2008-02-26  3:35   ` David Rientjes
2008-02-26  4:02     ` Paul Jackson
2008-02-26  4:21       ` David Rientjes
2008-02-26  4:46         ` Paul Jackson
2008-02-27 19:35 ` Christoph Lameter
2008-02-27 19:59   ` David Rientjes
2008-03-01  0:44 David Rientjes
2008-03-01  0:45 ` [patch 2/6] mempolicy: support optional mode flags David Rientjes
2008-03-01  0:45   ` [patch 3/6] mempolicy: add MPOL_F_STATIC_NODES flag David Rientjes
2008-03-01  0:45     ` [patch 4/6] mempolicy: add bitmap_onto() and bitmap_fold() operations David Rientjes
2008-03-01  0:45       ` [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag David Rientjes

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