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| author | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-27 00:10:48 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-27 01:38:15 +0200 |
| commit | 91cbacc34512e37c9bb89125ca4b224ca6459245 (patch) | |
| tree | 50cc12ba385ea0b15a2f73dcbba93d50183eee51 /tools/testing/selftests/vm/.gitignore | |
| parent | mm: thp: relocate flush_cache_range() in migrate_misplaced_transhuge_page() (diff) | |
| download | linux-91cbacc34512e37c9bb89125ca4b224ca6459245.tar.xz linux-91cbacc34512e37c9bb89125ca4b224ca6459245.zip | |
tools/testing/selftests/vm/map_fixed_noreplace.c: add test for MAP_FIXED_NOREPLACE
Add a test for MAP_FIXED_NOREPLACE, based on some code originally by Jann
Horn. This would have caught the overlap bug reported by Daniel Micay.
I originally suggested to Michal that we create MAP_FIXED_NOREPLACE, but
instead of writing a selftest I spent my time bike-shedding whether it
should be called MAP_FIXED_SAFE/NOCLOBBER/WEAK/NEW .. mea culpa.
Link: http://lkml.kernel.org/r/20181013133929.28653-1-mpe@ellerman.id.au
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Jann Horn <jannh@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Jason Evans <jasone@google.com>
Cc: David Goldblatt <davidtgoldblatt@gmail.com>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/testing/selftests/vm/.gitignore')
| -rw-r--r-- | tools/testing/selftests/vm/.gitignore | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/vm/.gitignore b/tools/testing/selftests/vm/.gitignore index af5ff83f6d7f..31b3c98b6d34 100644 --- a/tools/testing/selftests/vm/.gitignore +++ b/tools/testing/selftests/vm/.gitignore @@ -13,3 +13,4 @@ mlock-random-test virtual_address_range gup_benchmark va_128TBswitch +map_fixed_noreplace |