91cbacc345
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>
33 lines
811 B
Makefile
33 lines
811 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for vm selftests
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ifndef OUTPUT
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OUTPUT := $(shell pwd)
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endif
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CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
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LDLIBS = -lrt
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TEST_GEN_FILES = compaction_test
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TEST_GEN_FILES += gup_benchmark
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TEST_GEN_FILES += hugepage-mmap
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TEST_GEN_FILES += hugepage-shm
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TEST_GEN_FILES += map_hugetlb
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TEST_GEN_FILES += map_fixed_noreplace
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TEST_GEN_FILES += map_populate
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TEST_GEN_FILES += mlock-random-test
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TEST_GEN_FILES += mlock2-tests
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TEST_GEN_FILES += on-fault-limit
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TEST_GEN_FILES += thuge-gen
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TEST_GEN_FILES += transhuge-stress
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TEST_GEN_FILES += userfaultfd
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TEST_GEN_FILES += va_128TBswitch
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TEST_GEN_FILES += virtual_address_range
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TEST_PROGS := run_vmtests
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include ../lib.mk
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$(OUTPUT)/userfaultfd: LDLIBS += -lpthread
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$(OUTPUT)/mlock-random-test: LDLIBS += -lcap
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