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f39c58008d
On the latest RHEL the test fails due to executable mapped at 256MB
address
# ./map_fixed_noreplace
mmap() @ 0x10000000-0x10050000 p=0xffffffffffffffff result=File exists
10000000-10010000 r-xp 00000000 fd:04 34905657 /root/rpmbuild/BUILD/kernel-5.14.0-56.el9/linux-5.14.0-56.el9.ppc64le/tools/testing/selftests/vm/map_fixed_noreplace
10010000-10020000 r--p 00000000 fd:04 34905657 /root/rpmbuild/BUILD/kernel-5.14.0-56.el9/linux-5.14.0-56.el9.ppc64le/tools/testing/selftests/vm/map_fixed_noreplace
10020000-10030000 rw-p 00010000 fd:04 34905657 /root/rpmbuild/BUILD/kernel-5.14.0-56.el9/linux-5.14.0-56.el9.ppc64le/tools/testing/selftests/vm/map_fixed_noreplace
10029b90000-10029bc0000 rw-p 00000000 00:00 0 [heap]
7fffbb510000-7fffbb750000 r-xp 00000000 fd:04 24534 /usr/lib64/libc.so.6
7fffbb750000-7fffbb760000 r--p 00230000 fd:04 24534 /usr/lib64/libc.so.6
7fffbb760000-7fffbb770000 rw-p 00240000 fd:04 24534 /usr/lib64/libc.so.6
7fffbb780000-7fffbb7a0000 r--p 00000000 00:00 0 [vvar]
7fffbb7a0000-7fffbb7b0000 r-xp 00000000 00:00 0 [vdso]
7fffbb7b0000-7fffbb800000 r-xp 00000000 fd:04 24514 /usr/lib64/ld64.so.2
7fffbb800000-7fffbb810000 r--p 00040000 fd:04 24514 /usr/lib64/ld64.so.2
7fffbb810000-7fffbb820000 rw-p 00050000 fd:04 24514 /usr/lib64/ld64.so.2
7fffd93f0000-7fffd9420000 rw-p 00000000 00:00 0 [stack]
Error: couldn't map the space we need for the test
Fix this by finding a free address using mmap instead of hardcoding
BASE_ADDRESS.
Link: https://lkml.kernel.org/r/20220217083417.373823-1-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Jann Horn <jannh@google.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>
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| .. | ||
| .gitignore | ||
| charge_reserved_hugetlb.sh | ||
| check_config.sh | ||
| compaction_test.c | ||
| config | ||
| gup_test.c | ||
| hmm-tests.c | ||
| hugepage-mmap.c | ||
| hugepage-mremap.c | ||
| hugepage-shm.c | ||
| hugetlb_reparenting_test.sh | ||
| khugepaged.c | ||
| ksm_tests.c | ||
| madv_populate.c | ||
| Makefile | ||
| map_fixed_noreplace.c | ||
| map_hugetlb.c | ||
| map_populate.c | ||
| memfd_secret.c | ||
| mlock2-tests.c | ||
| mlock2.h | ||
| mlock-random-test.c | ||
| mremap_dontunmap.c | ||
| mremap_test.c | ||
| on-fault-limit.c | ||
| pkey-helpers.h | ||
| pkey-powerpc.h | ||
| pkey-x86.h | ||
| protection_keys.c | ||
| run_vmtests.sh | ||
| split_huge_page_test.c | ||
| test_hmm.sh | ||
| test_vmalloc.sh | ||
| thuge-gen.c | ||
| transhuge-stress.c | ||
| userfaultfd.c | ||
| va_128TBswitch.c | ||
| virtual_address_range.c | ||
| write_hugetlb_memory.sh | ||
| write_to_hugetlbfs.c | ||