Re: [PATCH v2 2/2] [PATCH 2/2] mm: add merging after mremap resize
From: Andrew Morton
Date: Sun May 29 2022 - 19:47:29 EST
On Fri, 27 May 2022 23:17:08 +0200 Jakub Matěna <matenajakub@xxxxxxxxx> wrote:
> When mremap call results in expansion, it might be possible to merge the
> VMA with the next VMA which might become adjacent. This patch adds
> vma_merge call after the expansion is done to try and merge.
Thanks.
Would it make sense to add a test case for this in (I assume)
tools/testing/selftests/vm/mremap_test.c? Maybe parse /proc/self/maps
and check that the merging occurred as expected?