(2013/04/04 3:35), Naoya Horiguchi wrote:
> Documentation/filesystems/proc.txt says about coredump_filter bitmask,
> 
>    Note bit 0-4 doesn't effect any hugetlb memory. hugetlb memory are only
>    effected by bit 5-6.
> 
> However current code can go into the subsequent flag checks of bit 0-4
> for vma(VM_HUGETLB). So this patch inserts 'return' and makes it work
> as written in the document.
> 
> Signed-off-by: Naoya Horiguchi <[email protected]>
> Cc: [email protected]
> ---
>   fs/binfmt_elf.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git v3.9-rc3.orig/fs/binfmt_elf.c v3.9-rc3/fs/binfmt_elf.c
> index 3939829..86af964 100644
> --- v3.9-rc3.orig/fs/binfmt_elf.c
> +++ v3.9-rc3/fs/binfmt_elf.c
> @@ -1137,6 +1137,7 @@ static unsigned long vma_dump_size(struct 
> vm_area_struct *vma,
>                       goto whole;
>               if (!(vma->vm_flags & VM_SHARED) && FILTER(HUGETLB_PRIVATE))
>                       goto whole;
> +             return 0;
>       }
>   
>       /* Do not dump I/O mapped devices or special mappings */
> 

Thanks for splitting this fix. Now it's easier to keep track of this fix.

Reviewed-by: HATAYAMA Daisuke <[email protected]>

Thanks.
HATAYAMA, Daisuke


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