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Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support
From: |
Andrea Arcangeli |
Subject: |
Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support |
Date: |
Fri, 12 Mar 2010 19:51:11 +0100 |
On Fri, Mar 12, 2010 at 06:41:56PM +0000, Paul Brook wrote:
> Doesn't non-PAE (i.e. most 32-bit x86) use 4M huge pages? There's still a
> good
> number of those knocking about.
Yep, but 32bit x86 host won't support transparent hugepage (certain
bits overflows in the kernel implementation, there's no more space in
the page struct). It's not worth it IMHO.
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, (continued)
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Andrea Arcangeli, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Paul Brook, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Andrea Arcangeli, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Paul Brook, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Andrea Arcangeli, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Paul Brook, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Andrea Arcangeli, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Paul Brook, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Andrea Arcangeli, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Paul Brook, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support,
Andrea Arcangeli <=
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Jamie Lokier, 2010/03/12
- Re: [Qemu-devel] [PATCH QEMU] transparent hugepage support, Paul Brook, 2010/03/12