Re: [PATCH v3 3/3] selftests/mm: add new selftests for KSM

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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?




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