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mm/mremap: write-lock VMA while remapping it to a new address range
authorSuren Baghdasaryan <surenb@google.com>
Mon, 27 Feb 2023 17:36:16 +0000 (09:36 -0800)
committerAndrew Morton <akpm@linux-foundation.org>
Tue, 28 Mar 2023 23:24:53 +0000 (16:24 -0700)
commitb3cc1ee7bba9c5104b7eb55551a9c6d767c3e82f
treec019bb208eee823de6a2c7909e8d8d2f8e607a54tree
parentfd2f3c6ca091c8938ce18a42b5884986b371a546commit | diff
mm/mremap: write-lock VMA while remapping it to a new address range

Write-lock VMA as locked before copying it and when copy_vma produces a
new VMA.

Link: https://lkml.kernel.org/r/20230227173632.3292573-18-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Laurent Dufour <laurent.dufour@fr.ibm.com>
Reviewed-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/mmap.c diff | blob | history
mm/mremap.c diff | blob | history
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