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From: Paul Jackson <pj@sgi.com>
To: joe.korty@ccur.com
Cc: akpm@osdl.org, paulus@samba.org, linux-kernel@vger.kernel.org
Subject: Re: seperator error in __mask_snprintf_len
Date: Thu, 15 Jan 2004 21:14:02 -0800	[thread overview]
Message-ID: <20040115211402.04c5c2c4.pj@sgi.com> (raw)
In-Reply-To: <20040115181525.GA31086@tsunami.ccur.com>

I give, Joe.  Given the several details that are better with your
solution, I endorse your solution, with the couple of minor edits you
have in the pipeline.

It pains me to see the minor code growth (parsing went from 391 bytes
of machine code to 625), with non-trivial code duplication of the
simple_stroull() routine, and admitted increase in code complexity.

But, yes, better bits than bytes, better not to alloca(), and
better using existing bitops than misplaced arch dependencies.

And better you than me ... tag - you're it <grin>.

Bonus question:

  Should any of the other inline routines in include/bitmap.h
  be moved to your new file lib/bitmap.c?

  Others have commented that too much stuff is marked inline,
  and this might be such a case.

  For example, I count about a dozen copies of bitmask_empty(),
  mostly as cpus_empty(), in various generic and i386 files,
  each one worth perhaps 80 bytes of kernel text space.

-- 
                          I won't rest till it's the best ...
                          Programmer, Linux Scalability
                          Paul Jackson <pj@sgi.com> 1.650.933.1373

  parent reply	other threads:[~2004-01-16  5:14 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-07 16:56 seperator error in __mask_snprintf_len Joe Korty
2004-01-07 19:32 ` Andrew Morton
2004-01-08 13:11   ` Paul Jackson
2004-01-08 22:50     ` Paul Mackerras
2004-01-08 22:59       ` Joe Korty
2004-01-09  0:07         ` Paul Mackerras
2004-01-09  1:11           ` Paul Jackson
2004-01-14 23:03           ` Paul Jackson
2004-01-15  0:27             ` Joe Korty
2004-01-15  0:37               ` Paul Jackson
2004-01-15  4:40               ` Paul Jackson
2004-01-15 16:15                 ` Andrew Morton
2004-01-15 18:15                   ` Joe Korty
2004-01-16  0:17                     ` Paul Jackson
2004-01-16  0:48                       ` Joe Korty
2004-01-16  1:48                         ` Paul Jackson
2004-01-16 23:29                       ` Matthew Dobson
2004-01-17  6:36                         ` [PATCH] bitmap parsing routines, version 3 Joe Korty
2004-01-17 10:08                           ` Paul Jackson
     [not found]                             ` <20040117145545.GA16318@tsunami.ccur.com>
2004-01-17 15:36                               ` Joe Korty
2004-01-17 23:33                                 ` Paul Jackson
2004-01-18  5:52                                   ` William Lee Irwin III
2004-01-18  7:03                                     ` Paul Jackson
2004-01-17 18:39                           ` [PATCH] bitmap parsing/printing routines, version 4 Joe Korty
2004-01-17 23:36                             ` Paul Jackson
2004-01-19 21:17                             ` Matthew Dobson
2004-01-20  0:17                               ` Paul Jackson
2004-01-20  3:57                               ` Joe Korty
2004-01-20  4:15                                 ` Paul Jackson
2004-01-20  5:41                                 ` Randy Dunlap
2004-01-20  7:03                                 ` Matthew Dobson
2004-01-20 15:36                                   ` Joe Korty
2004-01-20 17:06                                     ` Matthew Dobson
2004-01-17  9:12                         ` seperator error in __mask_snprintf_len Paul Jackson
2004-01-16  5:14                     ` Paul Jackson [this message]
2004-01-16  5:26                       ` Andrew Morton
2004-01-16  5:52                         ` William Lee Irwin III
2004-01-16 14:23                       ` Joe Korty
2004-01-17 10:07                         ` Paul Jackson
2004-01-15 22:53                   ` Paul Jackson
2004-01-16  1:06                     ` Andrew Morton
2004-01-16  2:54                       ` Paul Jackson
2004-01-09 14:28         ` Paul Jackson
2004-01-09 14:46       ` Paul Jackson
2004-01-09 15:14         ` Andreas Schwab
2004-01-09 15:25           ` Christoph Hellwig
2004-01-09 17:23             ` Paul Jackson
2004-01-12  0:09               ` Joe Korty
2004-01-12 21:41                 ` Paul Jackson
2004-01-12 22:00                   ` Joe Korty
2004-01-12 22:28                     ` Paul Jackson
2004-01-12 22:39                       ` Joe Korty
2004-01-09 14:57       ` Paul Jackson
2004-01-08  1:06 ` Paul Jackson
2004-01-08  3:32   ` Joe Korty
2004-01-08 10:39     ` Paul Jackson
     [not found] <1bpdu-5jP-35@gated-at.bofh.it>
     [not found] ` <1brIi-Y0-57@gated-at.bofh.it>
     [not found]   ` <1bIf6-fh-21@gated-at.bofh.it>
     [not found]     ` <1bRiA-4PD-19@gated-at.bofh.it>
     [not found]       ` <1bRrZ-58C-9@gated-at.bofh.it>
     [not found]         ` <1bSHD-Xz-21@gated-at.bofh.it>
     [not found]           ` <1e2sZ-rG-19@gated-at.bofh.it>
     [not found]             ` <1e3Ih-1V0-1@gated-at.bofh.it>
     [not found]               ` <1e7Cd-4qD-5@gated-at.bofh.it>
     [not found]                 ` <1einZ-64E-11@gated-at.bofh.it>
     [not found]                   ` <1ekpM-87C-1@gated-at.bofh.it>
     [not found]                     ` <1euyS-Eb-19@gated-at.bofh.it>
     [not found]                       ` <1euSb-U8-3@gated-at.bofh.it>
2004-01-16  8:25                         ` Andi Kleen
2004-01-16  8:35                           ` Andrew Morton
2004-01-16 10:16                             ` Andi Kleen

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