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| author | David Hildenbrand <david@redhat.com> | 2023-01-02 17:08:55 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-19 02:12:57 +0100 |
| commit | b6b7a8faf05c709cd9f63d3b7d9c66bd91bc3b0d (patch) | |
| tree | e9314f6d0ce7fd59966ee70989134666ed5b477a /drivers/misc | |
| parent | mm/nommu: factor out check for NOMMU shared mappings into is_nommu_shared_map... (diff) | |
| download | linux-b6b7a8faf05c709cd9f63d3b7d9c66bd91bc3b0d.tar.xz linux-b6b7a8faf05c709cd9f63d3b7d9c66bd91bc3b0d.zip | |
mm/nommu: don't use VM_MAYSHARE for MAP_PRIVATE mappings
Let's stop using VM_MAYSHARE for MAP_PRIVATE mappings and use
VM_MAYOVERLAY instead. Rewrite determine_vm_flags() to make the whole
logic easier to digest, and to cleanly separate MAP_PRIVATE vs.
MAP_SHARED.
No functional change intended.
Link: https://lkml.kernel.org/r/20230102160856.500584-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/misc')
0 files changed, 0 insertions, 0 deletions