From: Christoph Lameter <clameter@sgi.com>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Mel Gorman <mel@csn.ul.ie>, Matt Mackall <mpm@selenic.com>,
linux-mm@kvack.org
Subject: Re: [patch 7/8] slub: Make the order configurable for each slab cache
Date: Mon, 3 Mar 2008 09:49:46 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0803030947300.6010@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <84144f020803010147y489b06fdx479ed0af931de08b@mail.gmail.com>
On Sat, 1 Mar 2008, Pekka Enberg wrote:
> I am not sure I understand what you mean here. For example, for a
> cache that requires minimum order of 1 to fit any objects (which
> doesn't happen now because of page allocator pass-through), the
> order_store() function can call calculate_sizes() with forced_order
It does happen because the page allocator pass through is only possible
for kmalloc allocations.
> set to zero after which the cache becomes useless. That deserves a
> code comment, I think.
If the object does not fit into a page then calculate_sizes will violate
max_order (if necessary) in order to make sure that an allocation is
possible.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2008-03-03 17:49 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080229044803.482012397@sgi.com>
[not found] ` <20080229044820.044485187@sgi.com>
2008-02-29 8:13 ` [patch 7/8] slub: Make the order configurable for each slab cache Pekka Enberg
2008-02-29 19:37 ` Christoph Lameter
2008-03-01 9:47 ` Pekka Enberg
2008-03-03 17:49 ` Christoph Lameter [this message]
2008-03-03 22:56 ` Pekka Enberg
2008-03-03 23:36 ` Christoph Lameter
[not found] ` <20080229044820.298792748@sgi.com>
2008-02-29 8:13 ` [patch 8/8] slub: Simplify any_slab_object checks Pekka Enberg
[not found] ` <20080229044819.800974712@sgi.com>
2008-02-29 8:19 ` [patch 6/8] slub: Adjust order boundaries and minimum objects per slab Pekka Enberg
2008-02-29 19:41 ` Christoph Lameter
2008-03-01 9:58 ` Pekka J Enberg
2008-03-03 17:52 ` Christoph Lameter
2008-03-03 21:34 ` Matt Mackall
2008-03-03 22:36 ` Christoph Lameter
[not found] ` <20080229044818.999367120@sgi.com>
2008-02-29 8:59 ` [patch 3/8] slub: Update statistics handling for variable order slabs Pekka Enberg
2008-02-29 19:43 ` Christoph Lameter
2008-03-01 10:29 ` Pekka Enberg
2008-03-04 12:20 ` [patch 0/8] slub: Fallback to order 0 and variable order slab support Mel Gorman
2008-03-04 18:53 ` Christoph Lameter
2008-03-05 18:28 ` Mel Gorman
2008-03-05 18:52 ` Christoph Lameter
2008-03-06 22:04 ` Mel Gorman
2008-03-06 22:18 ` Christoph Lameter
2008-03-07 12:17 ` Mel Gorman
2008-03-07 19:50 ` Christoph Lameter
2008-03-04 19:01 ` Matt Mackall
2008-03-05 0:04 ` Christoph Lameter
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=Pine.LNX.4.64.0803030947300.6010@schroedinger.engr.sgi.com \
--to=clameter@sgi.com \
--cc=linux-mm@kvack.org \
--cc=mel@csn.ul.ie \
--cc=mpm@selenic.com \
--cc=penberg@cs.helsinki.fi \
/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).