On Thu, Oct 12, 2006 at 04:27:42PM -0500, Steve Fox wrote:
> On Thu, 2006-10-12 at 09:26 -0500, Steve Fox wrote:
>
> > Instead of creating the shared mapping of size memsz (aligned), we're
> > going to make it only filesz + non-zero BSS (we've found that glibc
> > initializes stdin, stdout, stderr before we get control). Reducing the
> > size of the shared mapping should result in less reserved hugepages.
>
> elflink: Reduce the shared mapping to filesz + non-zero BSS. This should
> decrease the number of huge pages we reserve.
>
> ---
> This patch is an RFC. We need to test thoroughly before committing.
Not particularly more than any other patch, I think. The semantics
here are all pretty well defined, and I think it's pretty clear
there's no need to SHARED map the pages if we're not going to write to
them.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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