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From: Steven Rostedt <rostedt@goodmis.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: Andrew Morton <akpm@osdl.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net
Subject: Re: [BLOCK] bh: Ensure bh fits within a page
Date: Tue, 01 Aug 2006 15:35:13 -0400	[thread overview]
Message-ID: <1154460913.30391.3.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.64.0608011209560.18537@schroedinger.engr.sgi.com>

On Tue, 2006-08-01 at 12:10 -0700, Christoph Lameter wrote:
> On Tue, 1 Aug 2006, Steven Rostedt wrote:
> 
> > If you set the alignment for ext3 the same as the size (ie 1024, 2048,
> > 4096 for the above respectively) then wouldn't that guarantee not
> > straddling a page?
> 
> Yes. But then that number must always be a fraction of pagesize.
> 

understood, as is 1024, 2048, and 4096 are.  Well, if pagesize is 4096
is 4096 really a fraction of 4096? :)

Also, isn't all sizes for kmalloc that are under pagesize a fraction of
the page size? Or more correctly, a power of 2?

-- Steve



  reply	other threads:[~2006-08-01 19:35 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-01  3:04 [BLOCK] bh: Ensure bh fits within a page Herbert Xu
2006-08-01  4:04 ` Andrew Morton
2006-08-01  5:02   ` Herbert Xu
2006-08-01  5:54     ` Andrew Morton
2006-08-01 11:06       ` Herbert Xu
2006-08-01 14:45         ` Andrew Morton
2006-08-01 17:36       ` Christoph Lameter
2006-08-01 19:08         ` Pekka Enberg
2006-08-01 19:08         ` Steven Rostedt
2006-08-01 19:10           ` Christoph Lameter
2006-08-01 19:35             ` Steven Rostedt [this message]
2006-08-01 19:55               ` Christoph Lameter
2006-08-01  7:23 ` Jens Axboe
2006-08-01 23:30   ` Herbert Xu
2006-08-01 23:32     ` Herbert Xu
2006-08-02  6:23       ` Jens Axboe
2006-08-01 23:44     ` Andrew Morton
2006-08-17 23:14     ` Badari Pulavarty
2006-08-18  2:53       ` Herbert Xu
2006-08-01 19:33 ` Andi Kleen
2006-08-01 22:09   ` Herbert Xu
2006-08-02 11:06     ` Jens Axboe

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