On Mon, May 30, 2022 at 1:47 AM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > > 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? > It shouldn't be a problem and it makes sense. I will do it. Jakub Matěna
