mm/mmap: introduce dup_vma_anon() helper

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Create a helper for duplicating the anon vma when adjusting the vma.  This
simplifies the logic of __vma_adjust().

Link: https://lkml.kernel.org/r/20230120162650.984577-47-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Liam R. Howlett 2023-01-20 11:26:47 -05:00 • committed by Andrew Morton

parent cf51e86dfb

commit 04241ffe3f

1 changed files with 40 additions and 34 deletions

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mm/mmap.c

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