From: Andrew Morton <akpm@osdl.org>
To: Badari Pulavarty <pbadari@us.ibm.com>
Cc: manfred@colorfullife.com, linux-mm@kvack.org
Subject: Re: slab fragmentation ?
Date: Wed, 29 Sep 2004 20:41:43 -0700 [thread overview]
Message-ID: <20040929204143.134154bc.akpm@osdl.org> (raw)
In-Reply-To: <1096500963.12861.21.camel@dyn318077bld.beaverton.ibm.com>
Badari Pulavarty <pbadari@us.ibm.com> wrote:
>
> # name <active_objs> <num_objs> <objsize> <objperslab> <pagesperslab> : tunables <batchcount> <limit> <sharedfactor> : slabdata <active_slabs> <num_slabs> <sharedavail>
> size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0
> size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0
> size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0
> size-40 2633 11468 64 61 1 : tunables 120 60 8 : slabdata 188 188 0
> size-40 4457 27084 64 61 1 : tunables 120 60 8 : slabdata 444 444 0
> size-40 7685 59292 64 61 1 : tunables 120 60 8 : slabdata 972 972 0
> size-40 10761 89548 64 61 1 : tunables 120 60 8 : slabdata 1468 1468 0
> size-40 13589 119316 64 61 1 : tunables 120 60 8 : slabdata 1956 1956 0
> size-40 16717 149084 64 61 1 : tunables 120 60 8 : slabdata 2444 2444 0
That looks like plain brokenness rather than fragmentation. We shouldn't
be allocating new pages until active_objs reaches num_objs, should we?
Unless the accouting is broken, or course...
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next prev parent reply other threads:[~2004-09-30 3:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-29 23:36 Badari Pulavarty
2004-09-30 3:41 ` Andrew Morton [this message]
2004-09-30 4:52 ` badari
2004-09-30 14:49 ` Martin J. Bligh
2004-09-30 14:48 ` Badari Pulavarty
2004-10-03 6:04 ` Manfred Spraul
2004-10-04 15:51 ` Badari Pulavarty
2004-10-04 16:08 ` Manfred Spraul
2004-10-04 17:37 ` Badari Pulavarty
2004-10-05 14:46 ` Badari Pulavarty
2004-10-05 17:58 ` Manfred Spraul
2004-10-05 18:27 ` Badari Pulavarty
2004-10-05 18:49 ` Manfred Spraul
2004-10-05 18:47 ` Badari Pulavarty
2004-10-05 21:13 ` Badari Pulavarty
2004-10-05 22:11 ` Chen, Kenneth W
2004-10-05 22:18 ` Chen, Kenneth W
2004-10-06 14:58 ` Badari Pulavarty
2004-10-09 14:28 ` Manfred Spraul
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