On 14.10.2006 [19:08:26 +1000], David Gibson wrote:
> 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.

True, and I don't think Steve was trying to suggest testing more than we
normally do (even if it doesn't seem like much right now :) Just that it
shouldn't be committed before all the test cases we have are examined.

Thanks,
Nish

-- 
Nishanth Aravamudan <[EMAIL PROTECTED]>
IBM Linux Technology Center

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