1 # SPDX-License-Identifier: GPL-2.0
2 # Makefile for mm selftests
4 LOCAL_HDRS += $(selfdir)/mm/local_config.h $(top_srcdir)/mm/gup_test.h
6 include local_config.mk
10 ifeq ($(CROSS_COMPILE),)
11 uname_M := $(shell uname -m 2>/dev/null || echo not)
13 uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+')
15 ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/')
18 # Without this, failed build products remain, with up-to-date timestamps,
19 # thus tricking Make (and you!) into believing that All Is Well, in subsequent
23 # Avoid accidental wrong builds, due to built-in rules working just a little
24 # bit too well--but not quite as well as required for our situation here.
26 # In other words, "make $SOME_TEST" is supposed to fail to build at all,
27 # because this Makefile only supports either "make" (all), or "make /full/path".
28 # However, the built-in rules, if not suppressed, will pick up CFLAGS and the
29 # initial LDLIBS (but not the target-specific LDLIBS, because those are only
30 # set for the full path target!). This causes it to get pretty far into building
31 # things despite using incorrect values such as an *occasionally* incomplete
33 MAKEFLAGS += --no-builtin-rules
35 CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES)
36 LDLIBS = -lrt -lpthread -lm
39 TEST_GEN_FILES += compaction_test
40 TEST_GEN_FILES += gup_longterm
41 TEST_GEN_FILES += gup_test
42 TEST_GEN_FILES += hmm-tests
43 TEST_GEN_FILES += hugetlb-madvise
44 TEST_GEN_FILES += hugetlb-read-hwpoison
45 TEST_GEN_FILES += hugepage-mmap
46 TEST_GEN_FILES += hugepage-mremap
47 TEST_GEN_FILES += hugepage-shm
48 TEST_GEN_FILES += hugepage-vmemmap
49 TEST_GEN_FILES += khugepaged
50 TEST_GEN_FILES += madv_populate
51 TEST_GEN_FILES += map_fixed_noreplace
52 TEST_GEN_FILES += map_hugetlb
53 TEST_GEN_FILES += map_populate
54 TEST_GEN_FILES += memfd_secret
55 TEST_GEN_FILES += migration
56 TEST_GEN_FILES += mkdirty
57 TEST_GEN_FILES += mlock-random-test
58 TEST_GEN_FILES += mlock2-tests
59 TEST_GEN_FILES += mrelease_test
60 TEST_GEN_FILES += mremap_dontunmap
61 TEST_GEN_FILES += mremap_test
62 TEST_GEN_FILES += on-fault-limit
63 TEST_GEN_FILES += pagemap_ioctl
64 TEST_GEN_FILES += thuge-gen
65 TEST_GEN_FILES += transhuge-stress
66 TEST_GEN_FILES += uffd-stress
67 TEST_GEN_FILES += uffd-unit-tests
68 TEST_GEN_FILES += split_huge_page_test
69 TEST_GEN_FILES += ksm_tests
70 TEST_GEN_FILES += ksm_functional_tests
71 TEST_GEN_FILES += mdwe_test
72 TEST_GEN_FILES += hugetlb_fault_after_madv
73 TEST_GEN_FILES += hugetlb_madv_vs_map
76 TEST_GEN_FILES += soft-dirty
80 CAN_BUILD_I386 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_32bit_program.c -m32)
81 CAN_BUILD_X86_64 := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_64bit_program.c)
82 CAN_BUILD_WITH_NOPIE := $(shell ./../x86/check_cc.sh "$(CC)" ../x86/trivial_program.c -no-pie)
84 VMTARGETS := protection_keys
85 BINARIES_32 := $(VMTARGETS:%=%_32)
86 BINARIES_64 := $(VMTARGETS:%=%_64)
88 ifeq ($(CAN_BUILD_WITH_NOPIE),1)
92 ifeq ($(CAN_BUILD_I386),1)
93 TEST_GEN_FILES += $(BINARIES_32)
96 ifeq ($(CAN_BUILD_X86_64),1)
97 TEST_GEN_FILES += $(BINARIES_64)
101 ifneq (,$(findstring $(ARCH),ppc64))
102 TEST_GEN_FILES += protection_keys
107 ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64))
108 TEST_GEN_FILES += va_high_addr_switch
109 TEST_GEN_FILES += virtual_address_range
110 TEST_GEN_FILES += write_to_hugetlbfs
113 TEST_PROGS := run_vmtests.sh
115 TEST_FILES := test_vmalloc.sh
116 TEST_FILES += test_hmm.sh
117 TEST_FILES += va_high_addr_switch.sh
118 TEST_FILES += charge_reserved_hugetlb.sh
119 TEST_FILES += hugetlb_reparenting_test.sh
121 # required by charge_reserved_hugetlb.sh
122 TEST_FILES += write_hugetlb_memory.sh
126 $(TEST_GEN_PROGS): vm_util.c thp_settings.c
127 $(TEST_GEN_FILES): vm_util.c thp_settings.c
129 $(OUTPUT)/uffd-stress: uffd-common.c
130 $(OUTPUT)/uffd-unit-tests: uffd-common.c
132 ifeq ($(ARCH),x86_64)
133 BINARIES_32 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_32))
134 BINARIES_64 := $(patsubst %,$(OUTPUT)/%,$(BINARIES_64))
136 define gen-target-rule-32
137 $(1) $(1)_32: $(OUTPUT)/$(1)_32
141 define gen-target-rule-64
142 $(1) $(1)_64: $(OUTPUT)/$(1)_64
146 ifeq ($(CAN_BUILD_I386),1)
147 $(BINARIES_32): CFLAGS += -m32 -mxsave
148 $(BINARIES_32): LDLIBS += -lrt -ldl -lm
149 $(BINARIES_32): $(OUTPUT)/%_32: %.c
150 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
151 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-32,$(t))))
154 ifeq ($(CAN_BUILD_X86_64),1)
155 $(BINARIES_64): CFLAGS += -m64 -mxsave
156 $(BINARIES_64): LDLIBS += -lrt -ldl
157 $(BINARIES_64): $(OUTPUT)/%_64: %.c
158 $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(notdir $^) $(LDLIBS) -o $@
159 $(foreach t,$(VMTARGETS),$(eval $(call gen-target-rule-64,$(t))))
162 # x86_64 users should be encouraged to install 32-bit libraries
163 ifeq ($(CAN_BUILD_I386)$(CAN_BUILD_X86_64),01)
164 all: warn_32bit_failure
167 @echo "Warning: you seem to have a broken 32-bit build" 2>&1; \
168 echo "environment. This will reduce test coverage of 64-bit" 2>&1; \
169 echo "kernels. If you are using a Debian-like distribution," 2>&1; \
172 echo " apt-get install gcc-multilib libc6-i386 libc6-dev-i386"; \
174 echo "If you are using a Fedora-like distribution, try:"; \
176 echo " yum install glibc-devel.*i686"; \
181 # IOURING_EXTRA_LIBS may get set in local_config.mk, or it may be left empty.
182 $(OUTPUT)/cow: LDLIBS += $(IOURING_EXTRA_LIBS)
184 $(OUTPUT)/gup_longterm: LDLIBS += $(IOURING_EXTRA_LIBS)
186 $(OUTPUT)/mlock-random-test $(OUTPUT)/memfd_secret: LDLIBS += -lcap
188 $(OUTPUT)/ksm_tests: LDLIBS += -lnuma
190 $(OUTPUT)/migration: LDLIBS += -lnuma
192 local_config.mk local_config.h: check_config.sh
193 /bin/sh ./check_config.sh $(CC)
195 EXTRA_CLEAN += local_config.mk local_config.h
197 ifeq ($(IOURING_EXTRA_LIBS),)
198 all: warn_missing_liburing
200 warn_missing_liburing:
202 echo "Warning: missing liburing support. Some tests will be skipped." ; \