From: Linus Torvalds <torvalds@linux-foundation.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Andi Kleen <ak@suse.de>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
Nick Piggin <nickpiggin@yahoo.com.au>,
"H. Peter Anvin" <hpa@zytor.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Why preallocate pmd in x86 32-bit PAE?
Date: Fri, 16 Nov 2007 11:22:10 -0800 (PST) [thread overview]
Message-ID: <alpine.LFD.0.9999.0711161118160.4260@woody.linux-foundation.org> (raw)
In-Reply-To: <473DEC1C.8080506@goop.org>
On Fri, 16 Nov 2007, Jeremy Fitzhardinge wrote:
>
> If you happened to do a 1G munmap, it may end up freeing and
> reallocating them, but that's going to be very rare.
I don't think we ever free the pmd's now, do we?
(Except for the *final* free, of course, when we release the whole VM).
Linus
next prev parent reply other threads:[~2007-11-16 19:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-15 21:57 Jeremy Fitzhardinge
2007-11-15 22:12 ` Linus Torvalds
2007-11-15 22:42 ` H. Peter Anvin
2007-11-16 0:40 ` William Lee Irwin III
2007-11-16 0:41 ` H. Peter Anvin
2007-11-16 11:16 ` Andi Kleen
2007-11-16 15:45 ` H. Peter Anvin
2007-11-16 15:53 ` Andi Kleen
2007-11-16 16:10 ` H. Peter Anvin
2007-11-16 17:12 ` Jeremy Fitzhardinge
2007-11-16 17:35 ` Linus Torvalds
2007-11-16 18:30 ` Jeremy Fitzhardinge
2007-11-16 19:14 ` Jeremy Fitzhardinge
2007-11-16 19:22 ` Linus Torvalds [this message]
2007-11-16 19:43 ` Jeremy Fitzhardinge
2007-11-16 17:45 ` H. Peter Anvin
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