Messages in this thread | | | Date | Sat, 15 Sep 2018 02:45:15 -0700 | From | Matthew Wilcox <> | Subject | Re: [RFC v10 PATCH 3/3] mm: unmap VM_PFNMAP mappings with optimized path |
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On Sat, Sep 15, 2018 at 04:34:59AM +0800, Yang Shi wrote: > When unmapping VM_PFNMAP 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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