From: Paul Brook <paul@codesourcery.com>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: qemu-devel@nongnu.org, Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support
Date: Fri, 12 Mar 2010 18:41:56 +0000 [thread overview]
Message-ID: <201003121841.56852.paul@codesourcery.com> (raw)
In-Reply-To: <20100312183615.GW5677@random.random>
>My point is that there is no need to show the smaller page sizes to
>userland, only the max one is relevant and this isn't going to change
>and I'm uncomfortable to add plural stuff to a patch that doesn't
>contemplate mixes page sizes and for the time being multiple hpage size
>isn't even on the horizon... I hate APIs...
I don't care enough to continue arguing about the utility of multiple page
sizes :-)
> What if we defer this whole issue and we just align on 2M if
> /sys/kernel/mm/transparent_hugepage exists without checking /sys? ;)
Doesn't non-PAE (i.e. most 32-bit x86) use 4M huge pages? There's still a good
number of those knocking about.
Paul
next prev parent reply other threads:[~2010-03-12 18:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-11 15:14 [Qemu-devel] [PATCH QEMU] transparent hugepage support Andrea Arcangeli
2010-03-11 15:52 ` Avi Kivity
2010-03-11 16:05 ` Andrea Arcangeli
2010-03-13 8:28 ` Avi Kivity
2010-03-13 17:47 ` Andrea Arcangeli
2010-03-11 16:28 ` Paul Brook
2010-03-11 16:46 ` Andrea Arcangeli
2010-03-11 17:55 ` Paul Brook
2010-03-11 18:49 ` Andrea Arcangeli
2010-03-12 11:36 ` Paul Brook
2010-03-12 14:52 ` Andrea Arcangeli
2010-03-12 16:04 ` Paul Brook
2010-03-12 16:17 ` Andrea Arcangeli
2010-03-12 16:24 ` Paul Brook
2010-03-12 16:57 ` Andrea Arcangeli
2010-03-12 17:10 ` Paul Brook
2010-03-12 17:41 ` Andrea Arcangeli
2010-03-12 18:17 ` Paul Brook
2010-03-12 18:36 ` Andrea Arcangeli
2010-03-12 18:41 ` Paul Brook [this message]
2010-03-12 18:51 ` Andrea Arcangeli
2010-03-12 22:40 ` Jamie Lokier
2010-03-12 16:10 ` Paul Brook
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