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SubjectRe: [RFC v10 PATCH 2/3] mm: unmap VM_HUGETLB mappings with optimized path
On Sat, Sep 15, 2018 at 04:34:58AM +0800, Yang Shi wrote:
> When unmapping VM_HUGETLB mappings, vm flags need to be updated. Since
> the vmas have been detached, so it sounds safe to update vm flags with
> read mmap_sem.
>
> Cc: Michal Hocko <mhocko@kernel.org>
> Cc: Vlastimil Babka <vbabka@suse.cz>
> Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>

Reviewed-by: Matthew Wilcox <willy@infradead.org>

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