]> www.infradead.org Git - users/jedix/linux-maple.git/commit
projects / users / jedix / linux-maple.git / commit
summary | shortlog | log | commit | commitdiff | tree
(parent: 2d9f306) | patch
mm: prevent userfaults to be handled under per-vma lock
authorSuren Baghdasaryan <surenb@google.com>
Mon, 27 Feb 2023 17:36:26 +0000 (09:36 -0800)
committerAndrew Morton <akpm@linux-foundation.org>
Tue, 28 Mar 2023 23:24:55 +0000 (16:24 -0700)
commitbbf523289d7bc0c11772df2af3b62b03f6989890
tree0ee3b24fbab5ab62ed528c9fa48aa2598e341f7atree
parent2d9f306b5854dd50275f303ed24755134ea836eacommit | diff
mm: prevent userfaults to be handled under per-vma lock

Due to the possibility of handle_userfault dropping mmap_lock, avoid fault
handling under VMA lock and retry holding mmap_lock.  This can be handled
more gracefully in the future.

Link: https://lkml.kernel.org/r/20230227173632.3292573-28-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Suggested-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/memory.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.