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

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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.

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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