]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
mm: add merging after mremap resize
authorJakub Matěna <matenajakub@gmail.com>
Fri, 3 Jun 2022 14:57:19 +0000 (16:57 +0200)
committerAndrew Morton <akpm@linux-foundation.org>
Tue, 27 Sep 2022 02:46:28 +0000 (19:46 -0700)
commitca3d76b0aa808a06997297d123b66d17b81e5285
treecbca7060ab3c097fab66fd9c96ae816e149ed9a0
parenteef199440df950942b3c7ef2e2de507fd6ced031
mm: add merging after mremap resize

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.

[akpm@linux-foundation.org: coding-style cleanups]
Link: https://lkml.kernel.org/r/20220603145719.1012094-3-matenajakub@gmail.com
Signed-off-by: Jakub Matěna <matenajakub@gmail.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: "Kirill A . Shutemov" <kirill@shutemov.name>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/mremap.c
tools/testing/selftests/vm/mremap_test.c