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mm/mmap: write-lock adjacent VMAs if they can grow into unmapped area
authorSuren Baghdasaryan <surenb@google.com>
Thu, 7 Jul 2022 23:16:34 +0000 (16:16 -0700)
committerSuren Baghdasaryan <surenb@google.com>
Wed, 23 Nov 2022 02:09:45 +0000 (02:09 +0000)
commitd8ae22ca901ec283b5d2c1fb670c3c2acd181538
tree707052cb9992ac11becff1447b1840c2625f997atree
parentb5d2d49828423b4c98ebd01a3610437e174f8607commit | diff
mm/mmap: write-lock adjacent VMAs if they can grow into unmapped area

While unmapping VMAs, adjacent VMAs might be able to grow into the area
being unmapped. In such cases write-lock adjacent VMAs to prevent this
growth.

Signed-off-by: Suren Baghdasaryan <surenb@google.com>
mm/mmap.c diff | blob | history
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