From: David Howells <dhowells@redhat.com>
To: Nick Piggin <npiggin@suse.de>
Cc: dhowells@redhat.com, linux-arch@vger.kernel.org
Subject: Re: [rfc] vmalloc: lazy, batched vunmapping
Date: Fri, 24 Aug 2007 09:59:25 +0100 [thread overview]
Message-ID: <14030.1187945965@redhat.com> (raw)
In-Reply-To: <20070824032646.GE6989@wotan.suse.de>
Nick Piggin <npiggin@suse.de> wrote:
> I'm working on a bit of code that vmaps/vunmaps a bit more often than
> I'd like. I've implemented a frontend to cache commonly used mappings,
> which solves most of the problem, but in looking various other ways to
> get the last bit of performance, I thought might be generally helpful
> to batch up vunmap driven TLB flushes. So I'll just throw the idea
> out there (is anyone else doing a lot of vmapping? I'd like to hear
> from you!).
Can the OOM handler force a purge?
David
next prev parent reply other threads:[~2007-08-24 8:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-24 3:26 [rfc] vmalloc: lazy, batched vunmapping Nick Piggin
2007-08-24 8:59 ` David Howells [this message]
2007-08-24 11:24 ` Nick Piggin
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