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Re: [Qemu-devel] [PATCH V2] xen-mapcache: Fix rlimit set size.
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From: |
Stefano Stabellini |
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Subject: |
Re: [Qemu-devel] [PATCH V2] xen-mapcache: Fix rlimit set size. |
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Date: |
Fri, 12 Aug 2011 21:23:57 +0100 |
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User-agent: |
Alpine 2.00 (DEB 1167 2008-08-23) |
On Thu, 4 Aug 2011, Anthony PERARD wrote:
> Previously, the address space soft limit was set mcache_max_size. So,
> before the mcache_max_size was reached by the mapcache, QEMU was killed
> for overuse of the virtual address space.
>
> This patch fix that by setting the soft limit the maximum than can have
> QEMU. So the soft and hard limit are always set to RLIM_INFINITY if QEMU
> is privileged.
>
> In case QEMU is not run as root and the limit is too low, the maximum
> mapcache size will be set the rlim_max - 80MB because observed that QEMU
> use 75MB more than the maximum mapcache size after several empirical
> tests.
>
> Signed-off-by: Anthony PERARD <address@hidden>
it looks good