linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, rusty@rustcorp.com.au, jeremy@goop.org,
	ebiederm@xmission.com, travis@sgi.com,
	herbert@gondor.apana.org.au, xemul@openvz.org
Subject: Re: [patch 3/4] cpu alloc: The allocator
Date: Tue, 30 Sep 2008 14:48:06 +0300	[thread overview]
Message-ID: <1222775286.10002.38.camel@penberg-laptop> (raw)
In-Reply-To: <48E20F98.4010106@linux-foundation.org>

On Tue, 2008-09-30 at 06:38 -0500, Christoph Lameter wrote:
> Pekka Enberg wrote:
> 
> >> +/*
> >> + * Basic allocation unit. A bit map is created to track the use of each
> >> + * UNIT_SIZE element in the cpu area.
> >> + */
> >> +#define UNIT_TYPE int
> >> +#define UNIT_SIZE sizeof(UNIT_TYPE)
> >> +
> >> +int units;	/* Actual available units */
> > 
> > What is this thing? Otherwise looks good to me.
> 
> This is the number of units available from the cpu allocator. Its determined
> on bootup and the bitmap is sized correspondingly.

I think you're confusing it to "nr_units" or, alternatively, I need new
glasses.


  reply	other threads:[~2008-09-30 11:56 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-29 19:35 [patch 0/4] Cpu alloc V6: Replace percpu allocator in modules.c Christoph Lameter
2008-09-29 19:35 ` [patch 1/4] Make the per cpu reserve configurable Christoph Lameter
2008-09-29 19:35 ` [patch 2/4] percpu: Rename variables PERCPU_ENOUGH_ROOM -> PERCPU_AREA_SIZE Christoph Lameter
2008-09-29 19:35 ` [patch 3/4] cpu alloc: The allocator Christoph Lameter
2008-09-30  6:35   ` Pekka Enberg
2008-09-30 11:38     ` Christoph Lameter
2008-09-30 11:48       ` Pekka Enberg [this message]
2008-09-30 12:12         ` Christoph Lameter
2008-10-03  7:33   ` Andrew Morton
2008-10-03  7:43     ` Pekka Enberg
2008-10-03  8:20       ` Andrew Morton
2008-10-03 14:15         ` Christoph Lameter
2008-10-03 12:48     ` Christoph Lameter
2008-10-05 21:10       ` Rusty Russell
2008-10-07 13:27         ` Christoph Lameter
2008-09-29 19:35 ` [patch 4/4] cpu alloc: Use cpu allocator instead of the builtin modules per cpu allocator Christoph Lameter
2008-09-30 22:28   ` Rusty Russell
2008-09-30 22:27 ` [patch 0/4] Cpu alloc V6: Replace percpu allocator in modules.c Rusty Russell
2008-10-07 23:34 ` Andrew Morton
2008-10-08 15:10   ` Christoph Lameter
  -- strict thread matches above, loose matches on Subject: below --
2008-09-19 14:58 [patch 0/4] Cpu alloc V5: " Christoph Lameter
2008-09-19 14:59 ` [patch 3/4] cpu alloc: The allocator Christoph Lameter
2008-09-19 15:23   ` KOSAKI Motohiro
2008-09-19 16:27   ` Eric Dumazet
2008-09-19 16:49     ` Christoph Lameter
2008-09-19 17:00       ` Christoph Lameter
2008-09-19 20:32   ` Christoph Lameter
2008-09-18 23:36 [patch 0/4] Cpu alloc V4: Replace percpu allocator in modules.c Christoph Lameter
2008-09-18 23:36 ` [patch 3/4] cpu alloc: The allocator Christoph Lameter
2008-09-19  7:58   ` Pekka Enberg
2008-09-19 13:11     ` Christoph Lameter
2008-09-19 14:12       ` Pekka Enberg
2008-09-19 14:27         ` Christoph Lameter
2008-09-19 14:35           ` Pekka Enberg

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=1222775286.10002.38.camel@penberg-laptop \
    --to=penberg@cs.helsinki.fi \
    --cc=akpm@linux-foundation.org \
    --cc=cl@linux-foundation.org \
    --cc=ebiederm@xmission.com \
    --cc=herbert@gondor.apana.org.au \
    --cc=jeremy@goop.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=rusty@rustcorp.com.au \
    --cc=travis@sgi.com \
    --cc=xemul@openvz.org \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
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).