Commit cf089c4d authored by Shubhraprakash Das's avatar Shubhraprakash Das
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mm: ashmem: Make sure vma is valid while flushing 



Ensure that the vma that the ashmem region is tied to
is valid before flushing and hold the mm semaphore so
that the vma does not get destroyed from under while
it's being flushed.

CRs-Fixed: 326685
Change-Id: I86320ffe9e6570e6ffa7dda68ab26be7aed86afd
Signed-off-by: default avatarShubhraprakash Das <sadas@codeaurora.org>
parent 1aa4848c
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