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RE: hugepage patches

The allocated pages will be zapped on the way back from do_mmap_pgoff
for the failure case.

> -----Original Message-----
> From: Andrew Morton [mailto:akpm@digeo.com] 
> Sent: Friday, February 07, 2003 2:00 PM
> To: Seth, Rohit
> Cc: davem@redhat.com; rohit.seth@intel.com; 
> davidm@napali.hpl.hp.com; anton@samba.org; 
> wli@holomorphy.com; linux-mm@kvack.org
> Subject: Re: hugepage patches
> 
> 
> "Seth, Rohit" <rohit.seth@intel.com> wrote:
> >
> > Andrew,
> > 
> > New allocation of hugepages is an atomic operation.  Partial 
> > allocations of hugepages is not a possibility.
> 
> Yes it is?  If you ask hugetlb_prefault() to fault in four 
> pages, and there are only two pages available then it will 
> instantiate just the two pages.
> 
> And updating i_size at the place where we add the page to 
> pagecache makes some sense..
> 
> 
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