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SubjectRe: [patch 1/1] MM: detach_vmas_to_be_unmapped fix
Date
Hi,

On Wednesday, 21. February 2007, akuster@mvista.com wrote:
>
> ---
>
> mm/mmap.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff -puN mm/mmap.c~Avoiding-mmap-fragmentation_fixup mm/mmap.c
> --- linux-2.6_clean/mm/mmap.c~Avoiding-mmap-fragmentation_fixup 2007-02-21 09:49:32.000000000 -0800
> +++ linux-2.6_clean-akuster/mm/mmap.c 2007-02-21 09:51:26.000000000 -0800
> @@ -1720,9 +1720,9 @@ detach_vmas_to_be_unmapped(struct mm_str
> *insertion_point = vma;
> tail_vma->vm_next = NULL;
> if (mm->unmap_area == arch_unmap_area)
> - addr = prev ? prev->vm_end : mm->mmap_base;
> + addr = prev ? prev->vm_start : mm->mmap_base;
> else
> - addr = vma ? vma->vm_start : mm->mmap_base;
> + addr = vma ? vma->vm_end : mm->mmap_base;
> mm->unmap_area(mm, addr);
> mm->mmap_cache = NULL; /* Kill the cache. */
> }

Please comment, why you think this is necessary.


Thanks & Regards

Ingo Oeser
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