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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 3/6] mempolicy: add MPOL_F_STATIC_NODES flag
Date: Tue, 26 Feb 2008 11:56:27 -0600	[thread overview]
Message-ID: <20080226115627.681dafb9.pj@sgi.com> (raw)
In-Reply-To: <alpine.DEB.1.00.0802250014170.12368@chino.kir.corp.google.com>

>         return do_mbind(start, len, mode, mode_flags, &nodes, flags);

The intermingling of 'flags', 'mode' and 'mode_flags' to refer to the
low bits, the high bits or all the bits of the flags field is handled
fairly carefully in your patch, but can still be a bit difficult to
keep track of which is which when reading.

I'll wager not many readers can immediately say what the 'mode',
'mode_flags' and 'flags' refer to, in the above code snippet, for
example.

Do you have any suggestions on how to further improve the clarity of
this code?

-- 
                  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 17:56 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         ` [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag Paul Jackson
2008-02-26  6:45           ` 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 [this message]
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

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