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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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46aa6a302b
linux/tools/testing/selftests/vm $ make
gcc -Wall -I ../../../../usr/include compaction_test.c -lrt -o /compaction_test
/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.4/../../../../x86_64-pc-linux-gnu/bin/ld: cannot open output file /compaction_test: Permission denied
collect2: error: ld returned 1 exit status
make: *** [../lib.mk:54: /compaction_test] Error 1
Since commit a8ba798bc8 ("selftests: enable O and KBUILD_OUTPUT")
selftests/vm build fails if run from the "selftests/vm" directory, but
it works in the selftests/ directory. It's quicker to be able to do a
local vm-only build after a tree wipe and this patch allows for it
again.
Link: http://lkml.kernel.org/r/20170302173738.18994-4-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
38 lines
1.0 KiB
Makefile
38 lines
1.0 KiB
Makefile
# 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 $(EXTRA_CFLAGS)
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LDLIBS = -lrt
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TEST_GEN_FILES = compaction_test
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TEST_GEN_FILES += hugepage-mmap
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TEST_GEN_FILES += hugepage-shm
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TEST_GEN_FILES += map_hugetlb
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TEST_GEN_FILES += mlock2-tests
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TEST_GEN_FILES += on-fault-limit
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TEST_GEN_FILES += thuge-gen
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TEST_GEN_FILES += transhuge-stress
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TEST_GEN_FILES += userfaultfd
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TEST_GEN_FILES += userfaultfd_hugetlb
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TEST_GEN_FILES += userfaultfd_shmem
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TEST_GEN_FILES += mlock-random-test
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TEST_PROGS := run_vmtests
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include ../lib.mk
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$(OUTPUT)/userfaultfd: LDLIBS += -lpthread ../../../../usr/include/linux/kernel.h
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$(OUTPUT)/userfaultfd_hugetlb: userfaultfd.c ../../../../usr/include/linux/kernel.h
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$(CC) $(CFLAGS) -DHUGETLB_TEST -O2 -o $@ $< -lpthread
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$(OUTPUT)/userfaultfd_shmem: userfaultfd.c ../../../../usr/include/linux/kernel.h
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$(CC) $(CFLAGS) -DSHMEM_TEST -O2 -o $@ $< -lpthread
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$(OUTPUT)/mlock-random-test: LDLIBS += -lcap
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../../../../usr/include/linux/kernel.h:
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make -C ../../../.. headers_install
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