Re: [PATCH] mm: Fix alloc_vm_area for noMMU system

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On Wed, Nov 16, 2011 at 02:01:28PM +0000, David Vrabel wrote:
> On 16/11/11 13:59, Konrad Rzeszutek Wilk wrote:
> > On Wed, Nov 16, 2011 at 08:51:02AM +0100, Michal Simek wrote:
> >> Patch:
> >> "xen: map foreign pages for shared rings by updating the PTEs directly"
> >> (sha1: 5149c0d53f6959d6ab87b4702d544b17ebdc783e) changed number
> >> of argument for alloc_vm_area but forget to change it for noMMU systems.
> >> This patch fix it.
> > 
> > Duh!
> >>
> >> CC: David Vrabel <david.vrabel@xxxxxxxxxx>
> >> CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> >> CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > 
> > Yes, please. Thank you!
> 
> Konrad, I would suggest folding this into the original patch to avoid
> breaking bisects for noMMU users unnecessarily.

Can't do. We would lose Michal authership that way and that is not good.

> 
> David
> 
> >> Signed-off-by: Michal Simek <monstr@xxxxxxxxx>
> >>
> >> ---
> >> It is for linux-next tree.
> >>
> >> Michal
> >> ---
> >>  mm/nommu.c |    2 +-
> >>  1 files changed, 1 insertions(+), 1 deletions(-)
> >>
> >> diff --git a/mm/nommu.c b/mm/nommu.c
> >> index 73419c5..b982290 100644
> >> --- a/mm/nommu.c
> >> +++ b/mm/nommu.c
> >> @@ -454,7 +454,7 @@ void  __attribute__((weak)) vmalloc_sync_all(void)
> >>   *	between processes, it syncs the pagetable across all
> >>   *	processes.
> >>   */
> >> -struct vm_struct *alloc_vm_area(size_t size)
> >> +struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes)
> >>  {
> >>  	BUG();
> >>  	return NULL;
> >> -- 
> >> 1.7.5.4
> 
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