On Thu, 23 Feb 2023 20:40:00 -0800 Stefan Roesch <shr@xxxxxxxxxxxx> wrote: > This adds three new tests to the selftests for KSM. These tests use the > new prctl API's to enable and disable KSM. > > ... > > diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile > index d90cdc06aa59..507cb22bdebd 100644 > --- a/tools/testing/selftests/mm/Makefile > +++ b/tools/testing/selftests/mm/Makefile > @@ -29,7 +29,8 @@ MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/p > # LDLIBS. > MAKEFLAGS += --no-builtin-rules > > -CFLAGS = -Wall -I $(top_srcdir) -I $(top_srcdir)/usr/include $(EXTRA_CFLAGS) $(KHDR_INCLUDES) > +CFLAGS = -Wall -I $(top_srcdir)/tools/include/uapi > +CFLAGS += -I $(top_srcdir) -I $(top_srcdir)/usr/include $(EXTRA_CFLAGS) $(KHDR_INCLUDES) > LDLIBS = -lrt -lpthread > TEST_GEN_FILES = cow > TEST_GEN_FILES += compaction_test This change runs afoul of the recently merged 8eb3751c73bec ("selftests: vm: Fix incorrect kernel headers search path"). I did this: --- a/tools/testing/selftests/mm/Makefile~selftests-mm-add-new-selftests-for-ksm +++ b/tools/testing/selftests/mm/Makefile @@ -29,7 +29,7 @@ MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/p # LDLIBS. MAKEFLAGS += --no-builtin-rules -CFLAGS = -Wall -I $(top_srcdir) $(EXTRA_CFLAGS) $(KHDR_INCLUDES) +CFLAGS = -Wall -I $(top_srcdir) -I $(top_srcdir)/tools/include/uapi $(EXTRA_CFLAGS) $(KHDR_INCLUDES) LDLIBS = -lrt -lpthread TEST_GEN_FILES = cow TEST_GEN_FILES += compaction_test _ But I expect it's a bit wrong. Please check?