From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: Virtual memory leaking through IA32 emulation layer for mmap
Date: Wed, 10 Mar 2004 19:48:54 +0000 [thread overview]
Message-ID: <200403101948.i2AJmsYH002407@napali.hpl.hp.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0403091028060.22838@sutekh.progsoc.uts.edu.au>
>>>>> On Wed, 10 Mar 2004 11:31:50 -0800, Arun Sharma <arun.sharma@intel.com> said:
Arun> Yes, I'd really like to see this problem fixed. I think, the
Arun> patch needs to be as memory efficient as possible - we're
Arun> using non-pageable kernel memory. So some numbers on the two
Arun> level bitmap scheme vs keeping lists of head/tail pages for
Arun> common ia32 workloads would be good.
Agreed. The good news is that the track is only needed for parially
allocated pages, so the overhead should, in the worst-case, be
proportional to the number of vmareas, not to the amount of memory
mapped.
--david
prev parent reply other threads:[~2004-03-10 19:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-08 23:43 Virtual memory leaking through IA32 emulation layer for mmap and Shaun
2004-03-08 23:59 ` Virtual memory leaking through IA32 emulation layer for mmap and munmap H. J. Lu
2004-03-09 0:11 ` Peter Chubb
2004-03-09 0:23 ` David Mosberger
2004-03-09 0:26 ` Virtual memory leaking through IA32 emulation layer for mmap Shaun
2004-03-09 0:57 ` Virtual memory leaking through IA32 emulation layer for mmap and munmap Peter Chubb
2004-03-09 1:04 ` David Mosberger
2004-03-09 20:26 ` Virtual memory leaking through IA32 emulation layer for mmap Arun Sharma
2004-03-09 20:32 ` Arun Sharma
2004-03-10 3:58 ` Virtual memory leaking through IA32 emulation layer for mmap and munmap n0ano
2004-03-10 5:16 ` Virtual memory leaking through IA32 emulation layer for mmap Shaun
2004-03-10 17:47 ` David Mosberger
2004-03-10 19:35 ` Arun Sharma
2004-03-10 19:48 ` David Mosberger [this message]
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