[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-
From: |
Kirill A. Shutemov |
Subject: |
Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets |
Date: |
Sat, 1 Nov 2008 18:55:44 +0200 |
User-agent: |
Mutt/1.5.18 (2008-05-29) |
On Sat, Nov 01, 2008 at 04:51:10PM +0000, Jamie Lokier wrote:
> Kirill A. Shutemov wrote:
> > + /* Unmap and try again with new page */
> > + munmap(ptr, size);
> > addr += qemu_host_page_size;
>
> Won't this be rather slow if it has to skip a large mapped area, one
> page at a time?
If we skip more than one page we increase memory fragmentation.
--
Regards, Kirill A. Shutemov
+ Belarus, Minsk
+ ALT Linux Team, http://www.altlinux.com/
signature.asc
Description: Digital signature
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Jamie Lokier, 2008/11/01
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets,
Kirill A. Shutemov <=
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, andrzej zaborowski, 2008/11/09
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Kirill A. Shutemov, 2008/11/10
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Jamie Lokier, 2008/11/10
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, andrzej zaborowski, 2008/11/10
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Kirill A. Shutemov, 2008/11/10
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Jamie Lokier, 2008/11/10
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Kirill A. Shutemov, 2008/11/14
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Paul Brook, 2008/11/14
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Jamie Lokier, 2008/11/14
- Re: [Qemu-devel] [PATCH, v2] Rewrite mmap_find_vma() to work fine on 64-bit hosts with 32-bit targets, Kirill A. Shutemov, 2008/11/14