From: Pekka Enberg <penberg@kernel.org>
To: Dave Hansen <dave@sr71.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [PATCH 0/9] re-shrink 'struct page' when SLUB is on.
Date: Sat, 11 Jan 2014 11:26:16 +0200 [thread overview]
Message-ID: <CAOJsxLE-oMpV2G-gxrhyv0Au1tPd87Ow57VD5CWFo41wF8F4Yw@mail.gmail.com> (raw)
In-Reply-To: <52D0854F.5060102@sr71.net>
On Sat, Jan 11, 2014 at 1:42 AM, Dave Hansen <dave@sr71.net> wrote:
> On 01/10/2014 03:39 PM, Andrew Morton wrote:
>>> I tested 4 cases, all of these on the "cache-cold kfree()" case. The
>>> first 3 are with vanilla upstream kernel source. The 4th is patched
>>> with my new slub code (all single-threaded):
>>>
>>> http://www.sr71.net/~dave/intel/slub/slub-perf-20140109.png
>>
>> So we're converging on the most complex option. argh.
>
> Yeah, looks that way.
Seems like a reasonable compromise between memory usage and allocation speed.
Christoph?
Pekka
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next prev parent reply other threads:[~2014-01-11 9:26 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-03 18:01 Dave Hansen
2014-01-03 18:01 ` [PATCH 1/9] mm: slab/slub: use page->list consistently instead of page->lru Dave Hansen
2014-01-03 18:01 ` [PATCH 2/9] mm: blk-mq: uses page->list incorrectly Dave Hansen
2014-01-03 18:01 ` [PATCH 3/9] mm: page->pfmemalloc only used by slab/skb Dave Hansen
2014-01-03 18:01 ` [PATCH 4/9] mm: slabs: reset page at free Dave Hansen
2014-01-03 18:01 ` [PATCH 5/9] mm: rearrange struct page Dave Hansen
2014-01-03 18:01 ` [PATCH 6/9] mm: slub: rearrange 'struct page' fields Dave Hansen
2014-01-03 18:02 ` [PATCH 7/9] mm: slub: abstract out double cmpxchg option Dave Hansen
2014-01-03 18:02 ` [PATCH 8/9] mm: slub: remove 'struct page' alignment restrictions Dave Hansen
2014-01-03 18:02 ` [PATCH 9/9] mm: slub: cleanups after code churn Dave Hansen
2014-01-03 22:18 ` [PATCH 0/9] re-shrink 'struct page' when SLUB is on Andrew Morton
2014-01-06 4:32 ` Joonsoo Kim
2014-01-10 20:52 ` Dave Hansen
2014-01-10 23:39 ` Andrew Morton
2014-01-10 23:42 ` Dave Hansen
2014-01-11 9:26 ` Pekka Enberg [this message]
2014-01-12 0:55 ` Christoph Lameter
2014-01-13 1:44 ` Joonsoo Kim
2014-01-13 3:36 ` Davidlohr Bueso
2014-01-13 13:46 ` Fengguang Wu
2014-01-13 15:42 ` Dave Hansen
2014-01-13 17:16 ` Dave Hansen
2014-01-14 20:07 ` Christoph Lameter
2014-01-14 22:05 ` Dave Hansen
2014-01-16 16:44 ` Christoph Lameter
2014-01-16 17:08 ` Dave Hansen
2014-01-16 18:26 ` Christoph Lameter
2014-01-14 17:40 ` Christoph Lameter
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