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Suren Baghdasaryan ee72d5a7d9 BACKPORT: selftests/mm: call uffd_test_ctx_clear at the end of the test 
uffd_test_ctx_clear() is being called from uffd_test_ctx_init() to unmap
areas used in the previous test run.  This approach is problematic because
while unmapping areas uffd_test_ctx_clear() uses page_size and nr_pages
which might differ from one test run to another.  Fix this by calling
uffd_test_ctx_clear() after each test is done.

Link: https://lkml.kernel.org/r/20231206103702.3873743-4-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Axel Rasmussen <axelrasmussen@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Brian Geffon <bgeffon@google.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jann Horn <jannh@google.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Lokesh Gidra <lokeshgidra@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Nicolas Geoffray <ngeoffray@google.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: ZhangPeng <zhangpeng362@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

(cherry picked from commit 1c8d39fa7b63dcbb77af7b0325fdc519c35fe618)
Conflicts:
	tools/testing/selftests/mm/uffd-common.c
	tools/testing/selftests/mm/uffd-common.h
	tools/testing/selftests/mm/uffd-stress.c
	tools/testing/selftests/mm/uffd-unit-tests.c
	tools/testing/selftests/vm/userfaultfd.c

1. Userfaultfd selftest was split into separate files and as a consequence
   the code moved from selftests/vm/userfaultfd.c to selftests/mm/uffd_* files.

Bug: 274911254
Change-Id: Ic224c3965a645342dc0f41e743d3c072b7bb852e
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
2024-04-22 18:09:14 +00:00
..
crypto/chacha20-s390 tools/testing/crypto: Use vzalloc instead of vmalloc+memset 2022-07-05 14:46:36 +02:00
cxl cxl/region: Fix x1 root-decoder granularity calculations 2023-11-28 17:07:18 +00:00
fault-injection
ktest ktest.pl: Add RUN_TIMEOUT option with default unlimited 2023-03-10 09:34:27 +01:00
kunit kunit: tool: Don't download risc-v opensbi firmware with wget 2022-10-07 10:16:28 -06:00
memblock memblock tests: fix warning ‘struct seq_file’ declared inside parameter list 2023-10-06 14:56:56 +02:00
nvdimm ndtest: Cleanup all of blk namespace specific code 2022-07-12 17:57:55 -07:00
radix-tree FROMGIT: maple_tree: skip other tests when BENCH is enabled 2024-01-04 22:44:38 +00:00
scatterlist
selftests BACKPORT: selftests/mm: call uffd_test_ctx_clear at the end of the test 2024-04-22 18:09:14 +00:00
vsock vsock_test: POLLIN + SO_RCVLOWAT test 2022-08-23 10:43:12 +02:00