lkml.org 
[lkml]   [2004]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: RFC: COW for hugepages
On Wed, Apr 07, 2004 at 11:00:43AM +0200, Zoltan Menyhart wrote:
> David,
>
> Why not just add a flag for a VMA telling if you want / do not want to
> copy it on "fork()" ? E.g.:
>
> dup_mmap():
>
> for (= current->mm->mmap ; mpnt ; mpnt = mpnt->vm_next) {
>
> if (mpnt->vm_flags & VM_HUGETLB_DONT_COPY)
> <do nothing>
> }
>

Um.. why would that be useful?

--
David Gibson | For every complex problem there is a
david AT gibson.dropbear.id.au | solution which is simple, neat and
| wrong.
http://www.ozlabs.org/people/dgibson
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:02    [W:0.201 / U:0.644 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site