selftests/vm: rename selftests/vm to selftests/mm

Rename selftets/vm to selftests/mm for being more consistent with the
code, documentation, and tools directories, and won't be confused with
virtual machines.

[sj@kernel.org: convert missing vm->mm changes]
  Link: https://lkml.kernel.org/r/20230107230643.252273-1-sj@kernel.org
Link: https://lkml.kernel.org/r/20230103180754.129637-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Documentation/admin-guide/mm/hugetlbpage.rst

@@ -461,13 +461,13 @@ Examples
 .. _map_hugetlb:
 
 ``map_hugetlb``
-	see tools/testing/selftests/vm/map_hugetlb.c
+	see tools/testing/selftests/mm/map_hugetlb.c
 
 ``hugepage-shm``
-	see tools/testing/selftests/vm/hugepage-shm.c
+	see tools/testing/selftests/mm/hugepage-shm.c
 
 ``hugepage-mmap``
-	see tools/testing/selftests/vm/hugepage-mmap.c
+	see tools/testing/selftests/mm/hugepage-mmap.c
 
 The `libhugetlbfs`_  library provides a wide range of userspace tools
 to help with huge page usability, environment setup, and control.

Documentation/core-api/pin_user_pages.rst

@@ -221,7 +221,7 @@ Unit testing
 ============
 This file::
 
- tools/testing/selftests/vm/gup_test.c
+ tools/testing/selftests/mm/gup_test.c
 
 has the following new calls to exercise the new pin*() wrapper functions:
 

MAINTAINERS

@@ -9466,7 +9466,7 @@ F:	Documentation/mm/hmm.rst
 F:	include/linux/hmm*
 F:	lib/test_hmm*
 F:	mm/hmm*
-F:	tools/testing/selftests/vm/*hmm*
+F:	tools/testing/selftests/mm/*hmm*
 
 HOST AP DRIVER
 M:	Jouni Malinen <j@w1.fi>
@@ -13484,7 +13484,7 @@ F:	include/linux/mmzone.h
 F:	include/linux/pagewalk.h
 F:	mm/
 F:	tools/mm/
-F:	tools/testing/selftests/vm/
+F:	tools/testing/selftests/mm/
 
 VMALLOC
 M:	Andrew Morton <akpm@linux-foundation.org>

mm/Kconfig

@@ -1073,7 +1073,7 @@ config GUP_TEST
 	  pin_user_pages*(), or pinned via get_user_pages*(), as specified
 	  by other command line arguments.
 
-	  See tools/testing/selftests/vm/gup_test.c
+	  See tools/testing/selftests/mm/gup_test.c
 
 comment "GUP_TEST needs to have DEBUG_FS enabled"
 	depends on !GUP_TEST && !DEBUG_FS

tools/testing/selftests/Makefile

@@ -85,7 +85,7 @@ TARGETS += tmpfs
 TARGETS += tpm2
 TARGETS += user
 TARGETS += vDSO
-TARGETS += vm
+TARGETS += mm
 TARGETS += x86
 TARGETS += zram
 #Please keep the TARGETS list alphabetically sorted

tools/testing/selftests/kselftest_deps.sh

@@ -12,9 +12,9 @@ usage()
 
 echo -e "Usage: $0 -[p] <compiler> [test_name]\n"
 echo -e "\tkselftest_deps.sh [-p] gcc"
-echo -e "\tkselftest_deps.sh [-p] gcc vm"
+echo -e "\tkselftest_deps.sh [-p] gcc mm"
 echo -e "\tkselftest_deps.sh [-p] aarch64-linux-gnu-gcc"
-echo -e "\tkselftest_deps.sh [-p] aarch64-linux-gnu-gcc vm\n"
+echo -e "\tkselftest_deps.sh [-p] aarch64-linux-gnu-gcc mm\n"
 echo "- Should be run in selftests directory in the kernel repo."
 echo "- Checks if Kselftests can be built/cross-built on a system."
 echo "- Parses all test/sub-test Makefile to find library dependencies."
@@ -120,7 +120,7 @@ l1_tests=$(grep -r --include=Makefile "^LDLIBS" | \
 # Level 2
 # Some tests have multiple valid LDLIBS lines for individual sub-tests
 # that need dependency checks. Find them and append them to the tests
-# e.g: vm/Makefile:$(OUTPUT)/userfaultfd: LDLIBS += -lpthread
+# e.g: mm/Makefile:$(OUTPUT)/userfaultfd: LDLIBS += -lpthread
 # Filter out VAR_LDLIBS to discard the following:
 # 	memfd/Makefile:$(OUTPUT)/fuse_mnt: LDLIBS += $(VAR_LDLIBS)
 # Append space at the end of the list to append more tests.

tools/testing/selftests/mm/Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
-# Makefile for vm selftests
+# Makefile for mm selftests
 
-LOCAL_HDRS += $(selfdir)/vm/local_config.h $(top_srcdir)/mm/gup_test.h
+LOCAL_HDRS += $(selfdir)/mm/local_config.h $(top_srcdir)/mm/gup_test.h
 
 include local_config.mk