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mm: write-lock VMAs before removing them from VMA tree
authorSuren Baghdasaryan <surenb@google.com>
Mon, 27 Feb 2023 17:36:17 +0000 (09:36 -0800)
committerAndrew Morton <akpm@linux-foundation.org>
Tue, 28 Mar 2023 23:24:53 +0000 (16:24 -0700)
commitf469a982c307e8c9c47b70948d6353cae0df9297
treed0c10498e31dbb5b7ee57f8a207618ba0070a3f0tree
parentb3cc1ee7bba9c5104b7eb55551a9c6d767c3e82fcommit | diff
mm: write-lock VMAs before removing them from VMA tree

Write-locking VMAs before isolating them ensures that page fault handlers
don't operate on isolated VMAs.

Link: https://lkml.kernel.org/r/20230227173632.3292573-19-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/mmap.c diff | blob | history
mm/nommu.c diff | blob | history
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