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Re: [RFC 1/2] JBD: slab management support for large block(>8k)

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From: Christoph Lameter
Subject: Re: [RFC 1/2] JBD: slab management support for large block(>8k)
Date: Monday, September 3, 2007 - 12:55 am

On Sun, 2 Sep 2007, Christoph Hellwig wrote:


How about getting rid of the slabs there and use kmalloc? Kmalloc in mm 
(and therfore hopefully 2.6.24) will convert kmallocs > PAGE_SIZE to page 
allocator calls. Not sure what to do about the 1k and 2k requests though.

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[31/36] Large Blocksize: Core piece, clameter, (Tue Aug 28, 12:06 pm)
Re: [31/36] Large Blocksize: Core piece, Mingming Cao, (Wed Aug 29, 5:11 pm)
Re: [31/36] Large Blocksize: Core piece, Christoph Lameter, (Wed Aug 29, 5:12 pm)
[RFC 1/4] Large Blocksize support for Ext2/3/4, Mingming Cao, (Wed Aug 29, 5:47 pm)
[RFC 2/4]ext2: fix rec_len overflow with 64KB block size, Mingming Cao, (Wed Aug 29, 5:47 pm)
[RFC 3/4] ext3: fix rec_len overflow with 64KB block size, Mingming Cao, (Wed Aug 29, 5:48 pm)
[RFC 4/4]ext4: fix rec_len overflow with 64KB block size, Mingming Cao, (Wed Aug 29, 5:48 pm)
Re: [RFC 1/4] Large Blocksize support for Ext2/3/4, Christoph Lameter, (Wed Aug 29, 5:59 pm)
Re: [RFC 1/4] Large Blocksize support for Ext2/3/4, Mingming Cao, (Fri Aug 31, 5:01 pm)
[RFC 1/2] JBD: slab management support for large block(>8k), Mingming Cao, (Fri Aug 31, 5:12 pm)
[RFC 2/2] JBD: blocks reservation fix for large block support, Mingming Cao, (Fri Aug 31, 5:12 pm)
Re: [RFC 1/2] JBD: slab management support for large block ..., Christoph Hellwig, (Sat Sep 1, 11:39 am)
Re: [RFC 1/2] JBD: slab management support for large block ..., Christoph Lameter, (Sun Sep 2, 4:40 am)
Re: [RFC 1/2] JBD: slab management support for large block ..., Christoph Hellwig, (Sun Sep 2, 8:28 am)
Re: [RFC 1/2] JBD: slab management support for large block ..., Christoph Lameter, (Mon Sep 3, 12:55 am)
Re: [RFC 1/2] JBD: slab management support for large block ..., Christoph Hellwig, (Mon Sep 3, 6:40 am)
Re: [RFC 1/2] JBD: slab management support for large block ..., Christoph Lameter, (Mon Sep 3, 12:31 pm)
Re: [RFC 1/2] JBD: slab management support for large block ..., Christoph Hellwig, (Mon Sep 3, 12:33 pm)
[PATCH] JBD slab cleanups, Mingming Cao, (Fri Sep 14, 11:53 am)
Re: [PATCH] JBD slab cleanups, Christoph Lameter, (Fri Sep 14, 11:58 am)
Re: [PATCH] JBD slab cleanups, Mingming Cao, (Mon Sep 17, 12:29 pm)
Re: [PATCH] JBD slab cleanups, Christoph Hellwig, (Mon Sep 17, 12:34 pm)
Re: [PATCH] JBD slab cleanups, Badari Pulavarty, (Mon Sep 17, 3:01 pm)
Re: [PATCH] JBD slab cleanups, Mingming Cao, (Mon Sep 17, 3:57 pm)
Re: [PATCH] JBD slab cleanups, Christoph Hellwig, (Tue Sep 18, 2:04 am)
Re: [PATCH] JBD slab cleanups, Mingming Cao, (Tue Sep 18, 9:35 am)
Re: [PATCH] JBD slab cleanups, Dave Kleikamp, (Tue Sep 18, 11:04 am)
Re: [PATCH] JBD slab cleanups, Mingming Cao, (Tue Sep 18, 6:00 pm)
Re: [PATCH] JBD slab cleanups, Andrew Morton, (Tue Sep 18, 7:19 pm)
Re: [PATCH] JBD slab cleanups, Mingming Cao, (Wed Sep 19, 12:15 pm)
[PATCH] JBD: use GFP_NOFS in kmalloc, Mingming Cao, (Wed Sep 19, 12:22 pm)
Re: [PATCH] JBD slab cleanups, Dave Kleikamp, (Wed Sep 19, 12:26 pm)
Re: [PATCH] JBD slab cleanups, Dave Kleikamp, (Wed Sep 19, 12:28 pm)
Re: [PATCH] JBD slab cleanups, Andreas Dilger, (Wed Sep 19, 12:48 pm)
Re: [PATCH] JBD slab cleanups, Mingming Cao, (Wed Sep 19, 1:47 pm)
Re: [PATCH] JBD: use GFP_NOFS in kmalloc, Andrew Morton, (Wed Sep 19, 2:34 pm)
Re: [PATCH] JBD: use GFP_NOFS in kmalloc, Mingming Cao, (Wed Sep 19, 2:55 pm)
Re: [PATCH] JBD slab cleanups, Mingming Cao, (Wed Sep 19, 3:03 pm)
Re: [PATCH] JBD: use GFP_NOFS in kmalloc, Andreas Dilger, (Wed Sep 19, 9:25 pm)
[PATCH] JBD/ext34 cleanups: convert to kzalloc, Mingming Cao, (Fri Sep 21, 4:13 pm)
[PATCH] JBD2/ext4 naming cleanup, Mingming Cao, (Fri Sep 21, 4:32 pm)
Re: [PATCH] JBD/ext34 cleanups: convert to kzalloc, Andrew Morton, (Wed Sep 26, 12:54 pm)
Re: [PATCH] JBD/ext34 cleanups: convert to kzalloc, Mingming Cao, (Wed Sep 26, 2:05 pm)
[PATCH 1/2] ext4: Support large blocksize up to PAGESIZE, Mingming Cao, (Mon Oct 1, 5:34 pm)
[PATCH 2/2] ext4: Avoid rec_len overflow with 64KB block size, Mingming Cao, (Mon Oct 1, 5:35 pm)
[PATCH 1/2] ext2: Support large blocksize up to PAGESIZE, Mingming Cao, (Mon Oct 1, 5:35 pm)
[PATCH 2/2] ext2: Avoid rec_len overflow with 64KB block size, Mingming Cao, (Mon Oct 1, 5:35 pm)
[PATCH 1/2] ext3: Support large blocksize up to PAGESIZE, Mingming Cao, (Mon Oct 1, 5:36 pm)
[PATCH 2/2] ext3: Avoid rec_len overflow with 64KB block size, Mingming Cao, (Mon Oct 1, 5:36 pm)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Andrew Morton, (Thu Oct 4, 1:12 pm)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Andreas Dilger, (Thu Oct 4, 3:40 pm)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Andrew Morton, (Thu Oct 4, 4:11 pm)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Jan Kara, (Mon Oct 8, 6:02 am)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Andrew Morton, (Thu Oct 11, 3:14 am)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Jan Kara, (Thu Oct 11, 3:30 am)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Jan Kara, (Thu Oct 11, 4:18 am)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Andrew Morton, (Wed Oct 17, 9:07 pm)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Andrew Morton, (Wed Oct 17, 9:09 pm)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Christoph Lameter, (Thu Oct 18, 2:03 am)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Andrew Morton, (Thu Oct 18, 2:11 am)
Re: [PATCH 2/2] ext2: Avoid rec_len overflow with 64KB blo ..., Mingming Cao, (Thu Oct 18, 7:05 pm)