linux-kernel - Re: [Ext2-devel] [RFC][PATCH] Manage jbd allocations from its own slabs

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Message-ID: <44EDDE1A.1000408@us.ibm.com>
Date:	Thu, 24 Aug 2006 10:12:58 -0700
From:	Badari Pulavarty <pbadari@...ibm.com>
To:	Dave Kleikamp <shaggy@...tin.ibm.com>
CC:	Herbert Xu <herbert@...dor.apana.org.au>, akpm@...l.org,
	ext2-devel <Ext2-devel@...ts.sourceforge.net>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [Ext2-devel] [RFC][PATCH] Manage jbd allocations from its own
 slabs

Dave Kleikamp wrote:
> On Wed, 2006-08-23 at 16:08 -0700, Badari Pulavarty wrote:
>   
>> Hi,
>>
>> Here is the fix to "bh: Ensure bh fits within a page" problem
>> caused by JBD.
>>
>> BTW, I realized that this problem can happen only with 1k, 2k
>> filesystems - as 4k, 8k allocations disable slab debug 
>> automatically. But for completeness, I created slabs for those
>> also.
>>     
>
> With a larger base page size, you could run into the same problems for
> 4K and 8K allocations, so it's a good thing to do them all.
>
>   
Yes, with bigger base page size - this can happen for 4k, 8k also.

And also, I am re-doing the patch to address Andrew's comments - I will 
send out latest
in few hours (currently testing).

Thanks,
Badari


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