+ arch-mm-promote-debug_wx-to-check_wx.patch added to mm-unstable branch

+ arch-mm-promote-debug_wx-to-check_wx.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: arch, mm: promote DEBUG_WX to CHECK_WX
has been added to the -mm mm-unstable branch.  Its filename is
     arch-mm-promote-debug_wx-to-check_wx.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arch-mm-promote-debug_wx-to-check_wx.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days

------------------------------------------------------
From: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Subject: arch, mm: promote DEBUG_WX to CHECK_WX
Date: Sat, 26 Sep 2026 12:29:29 +0300

Verification that the kernel does not have writable + executable mappings
is about detecting security risks rather than a pure debug feature.

Major distribution configurations enable it in their kernels as well as
defconfigs of most architectures that have ARCH_HAS_DEBUG_WX.

Rename relevant generic configuration options to use CHECK_WX and move
their definitions from mm/Kconfig.debug to mm/Kconfig.

Rename *debug_checkwx() funcitons and macros to *pgtable_checkwx().

For arm that does not widely enable it, only rename its variants of the
config options.

Enabling CHECK_WX adds a few kilobytes to the kernel binary and while the
added size can be slightly reduced with churny updates of architecture
implementations of ptdump, the core functionality takes most of the added
size.  It cannot be moved to .init.text because the verification has to
happen after init sections are freed.

With this, make generic CHECK_WX default to STRICT_KERNEL_RWX while
still leaving users targeting small kernels the possibility to opt-out.

Link: https://lore.kernel.org/20260926-direct-map-verify-wx-v2-1-efcd64a6b74a@kernel.org
Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Suggested-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <chleroy@kernel.org>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <pjw@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Shrikanth Hegde <sshegde@linux.ibm.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Thomas Gleixner <tglx@kernel.org>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Will Deacon <will@kernel.org>
---

 arch/arm/Kconfig.debug               |    2 -
 arch/arm/configs/aspeed_g4_defconfig |    2 -
 arch/arm/configs/aspeed_g5_defconfig |    2 -
 arch/arm/configs/shmobile_defconfig  |    2 -
 arch/arm/include/asm/ptdump.h        |    6 +--
 arch/arm/mm/init.c                   |    2 -
 arch/arm64/Kconfig                   |    2 -
 arch/powerpc/Kconfig                 |    2 -
 arch/powerpc/configs/ppc64_defconfig |    2 -
 arch/powerpc/mm/ptdump/ptdump.c      |    2 -
 arch/riscv/Kconfig                   |    2 -
 arch/s390/Kconfig                    |    2 -
 arch/s390/configs/debug_defconfig    |    2 -
 arch/s390/configs/defconfig          |    2 -
 arch/s390/mm/dump_pagetables.c       |    2 -
 arch/x86/Kconfig                     |    2 -
 arch/x86/configs/x86_64_defconfig    |    2 -
 arch/x86/include/asm/pgtable.h       |    6 +--
 arch/x86/mm/pti.c                    |    2 -
 include/linux/ptdump.h               |    4 +-
 init/main.c                          |    2 -
 kernel/configs/debug.config          |    2 -
 mm/Kconfig                           |   41 +++++++++++++++++++++++++
 mm/Kconfig.debug                     |   39 -----------------------
 24 files changed, 68 insertions(+), 66 deletions(-)

--- a/arch/arm64/Kconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/arm64/Kconfig
@@ -11,7 +11,7 @@ config ARM64
 	select ACPI_MCFG if (ACPI && PCI)
 	select ACPI_SPCR_TABLE if ACPI
 	select ACPI_PPTT if ACPI
-	select ARCH_HAS_DEBUG_WX
+	select ARCH_HAS_CHECK_WX
 	select ARCH_BINFMT_ELF_EXTRA_PHDRS
 	select ARCH_BINFMT_ELF_STATE
 	select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION
--- a/arch/arm/configs/aspeed_g4_defconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/arm/configs/aspeed_g4_defconfig
@@ -249,7 +249,7 @@ CONFIG_DEBUG_INFO_REDUCED=y
 CONFIG_GDB_SCRIPTS=y
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_DEBUG_FS=y
-CONFIG_ARM_DEBUG_WX=y
+CONFIG_ARM_CHECK_WX=y
 CONFIG_SCHED_STACK_END_CHECK=y
 CONFIG_PANIC_ON_OOPS=y
 CONFIG_PANIC_TIMEOUT=-1
--- a/arch/arm/configs/aspeed_g5_defconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/arm/configs/aspeed_g5_defconfig
@@ -300,7 +300,7 @@ CONFIG_DEBUG_INFO_REDUCED=y
 CONFIG_GDB_SCRIPTS=y
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_DEBUG_FS=y
-CONFIG_ARM_DEBUG_WX=y
+CONFIG_ARM_CHECK_WX=y
 CONFIG_SCHED_STACK_END_CHECK=y
 CONFIG_PANIC_ON_OOPS=y
 CONFIG_PANIC_TIMEOUT=-1
--- a/arch/arm/configs/shmobile_defconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/arm/configs/shmobile_defconfig
@@ -225,4 +225,4 @@ CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_FS=y
-CONFIG_ARM_DEBUG_WX=y
+CONFIG_ARM_CHECK_WX=y
--- a/arch/arm/include/asm/ptdump.h~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/arm/include/asm/ptdump.h
@@ -32,10 +32,10 @@ void ptdump_check_wx(void);
 
 #endif /* CONFIG_ARM_PTDUMP_CORE */
 
-#ifdef CONFIG_ARM_DEBUG_WX
-#define arm_debug_checkwx() ptdump_check_wx()
+#ifdef CONFIG_ARM_CHECK_WX
+#define arm_pgtable_checkwx() ptdump_check_wx()
 #else
-#define arm_debug_checkwx() do { } while (0)
+#define arm_pgtable_checkwx() do { } while (0)
 #endif
 
 #endif /* __ASM_PTDUMP_H */
--- a/arch/arm/Kconfig.debug~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/arm/Kconfig.debug
@@ -17,7 +17,7 @@ config ARM_PTDUMP_DEBUGFS
 	  kernel.
 	  If in doubt, say "N"
 
-config ARM_DEBUG_WX
+config ARM_CHECK_WX
 	bool "Warn on W+X mappings at boot"
 	depends on MMU
 	select ARM_PTDUMP_CORE
--- a/arch/arm/mm/init.c~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/arm/mm/init.c
@@ -403,7 +403,7 @@ static int __mark_rodata_ro(void *unused
 void mark_rodata_ro(void)
 {
 	stop_machine(__mark_rodata_ro, NULL, NULL);
-	arm_debug_checkwx();
+	arm_pgtable_checkwx();
 }
 
 #else
--- a/arch/powerpc/configs/ppc64_defconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/powerpc/configs/ppc64_defconfig
@@ -393,7 +393,7 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_PAGE_OWNER=y
 CONFIG_PAGE_POISONING=y
 CONFIG_DEBUG_RODATA_TEST=y
-CONFIG_DEBUG_WX=y
+CONFIG_CHECK_WX=y
 CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_DEBUG_VM=y
 # CONFIG_DEBUG_VM_PGTABLE is not set
--- a/arch/powerpc/Kconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/powerpc/Kconfig
@@ -130,7 +130,7 @@ config PPC
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE
-	select ARCH_HAS_DEBUG_WX		if STRICT_KERNEL_RWX
+	select ARCH_HAS_CHECK_WX		if STRICT_KERNEL_RWX
 	select ARCH_HAS_DEVMEM_IS_ALLOWED
 	select ARCH_HAS_DMA_MAP_DIRECT 		if PPC_PSERIES
 	select ARCH_HAS_DMA_OPS			if PPC64
--- a/arch/powerpc/mm/ptdump/ptdump.c~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/powerpc/mm/ptdump/ptdump.c
@@ -191,7 +191,7 @@ static void note_prot_wx(struct pg_state
 	if (!pte_write(pte) || !pte_exec(pte))
 		return;
 
-	WARN_ONCE(IS_ENABLED(CONFIG_DEBUG_WX),
+	WARN_ONCE(IS_ENABLED(CONFIG_CHECK_WX),
 		  "powerpc/mm: Found insecure W+X mapping at address %p/%pS\n",
 		  (void *)st->start_address, (void *)st->start_address);
 
--- a/arch/riscv/Kconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/riscv/Kconfig
@@ -29,7 +29,7 @@ config RISCV
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL if MMU
 	select ARCH_HAS_DEBUG_VM_PGTABLE
-	select ARCH_HAS_DEBUG_WX
+	select ARCH_HAS_CHECK_WX
 	select ARCH_HAS_DELAY_TIMER
 	select ARCH_HAS_ELF_CORE_EFLAGS if BINFMT_ELF && ELF_CORE
 	select ARCH_HAS_FAST_MULTIPLIER
--- a/arch/s390/configs/debug_defconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/s390/configs/debug_defconfig
@@ -841,7 +841,7 @@ CONFIG_DEBUG_PAGEALLOC=y
 CONFIG_SLUB_DEBUG_ON=y
 CONFIG_PAGE_OWNER=y
 CONFIG_DEBUG_RODATA_TEST=y
-CONFIG_DEBUG_WX=y
+CONFIG_CHECK_WX=y
 CONFIG_PTDUMP_DEBUGFS=y
 CONFIG_DEBUG_OBJECTS=y
 CONFIG_DEBUG_OBJECTS_SELFTEST=y
--- a/arch/s390/configs/defconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/s390/configs/defconfig
@@ -820,7 +820,7 @@ CONFIG_DEBUG_INFO_DWARF4=y
 CONFIG_GDB_SCRIPTS=y
 CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_MAGIC_SYSRQ=y
-CONFIG_DEBUG_WX=y
+CONFIG_CHECK_WX=y
 CONFIG_PTDUMP_DEBUGFS=y
 CONFIG_DEBUG_MEMORY_INIT=y
 CONFIG_PANIC_ON_OOPS=y
--- a/arch/s390/Kconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/s390/Kconfig
@@ -92,7 +92,7 @@ config S390
 	select ARCH_HAS_CURRENT_STACK_POINTER
 	select ARCH_HAS_DEBUG_VIRTUAL
 	select ARCH_HAS_DEBUG_VM_PGTABLE
-	select ARCH_HAS_DEBUG_WX
+	select ARCH_HAS_CHECK_WX
 	select ARCH_HAS_DEVMEM_IS_ALLOWED
 	select ARCH_HAS_DMA_OPS if PCI
 	select ARCH_HAS_ELF_RANDOMIZE
--- a/arch/s390/mm/dump_pagetables.c~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/s390/mm/dump_pagetables.c
@@ -86,7 +86,7 @@ static void note_prot_wx(struct pg_state
 	 */
 	if (addr == PAGE_SIZE && (nospec_uses_trampoline() || !cpu_has_bear()))
 		return;
-	WARN_ONCE(IS_ENABLED(CONFIG_DEBUG_WX),
+	WARN_ONCE(IS_ENABLED(CONFIG_CHECK_WX),
 		  "s390/mm: Found insecure W+X mapping at address %pS\n",
 		  (void *)st->start_address);
 	st->wx_pages += (addr - st->start_address) / PAGE_SIZE;
--- a/arch/x86/configs/x86_64_defconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/x86/configs/x86_64_defconfig
@@ -263,7 +263,7 @@ CONFIG_SECURITY_SELINUX_BOOTPARAM=y
 CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
-CONFIG_DEBUG_WX=y
+CONFIG_CHECK_WX=y
 CONFIG_DEBUG_STACK_USAGE=y
 CONFIG_SCHEDSTATS=y
 CONFIG_BLK_DEV_IO_TRACE=y
--- a/arch/x86/include/asm/pgtable.h~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/x86/include/asm/pgtable.h
@@ -41,10 +41,10 @@ void ptdump_walk_user_pgd_level_checkwx(
 #define pgprot_encrypted(prot)	__pgprot(cc_mkenc(pgprot_val(prot)))
 #define pgprot_decrypted(prot)	__pgprot(cc_mkdec(pgprot_val(prot)))
 
-#ifdef CONFIG_DEBUG_WX
-#define debug_checkwx_user()	ptdump_walk_user_pgd_level_checkwx()
+#ifdef CONFIG_CHECK_WX
+#define pgtable_checkwx_user()	ptdump_walk_user_pgd_level_checkwx()
 #else
-#define debug_checkwx_user()	do { } while (0)
+#define pgtable_checkwx_user()	do { } while (0)
 #endif
 
 extern spinlock_t pgd_lock;
--- a/arch/x86/Kconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/x86/Kconfig
@@ -109,7 +109,7 @@ config X86
 	select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
 	select ARCH_HAS_SYSCALL_WRAPPER
 	select ARCH_HAS_UBSAN
-	select ARCH_HAS_DEBUG_WX
+	select ARCH_HAS_CHECK_WX
 	select ARCH_HAS_ZONE_DMA_SET if EXPERT
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select ARCH_HAVE_EXTRA_ELF_NOTES
--- a/arch/x86/mm/pti.c~arch-mm-promote-debug_wx-to-check_wx
+++ a/arch/x86/mm/pti.c
@@ -688,5 +688,5 @@ void pti_finalize(void)
 	pti_clone_entry_text(true);
 	pti_clone_kernel_text();
 
-	debug_checkwx_user();
+	pgtable_checkwx_user();
 }
--- a/include/linux/ptdump.h~arch-mm-promote-debug_wx-to-check_wx
+++ a/include/linux/ptdump.h
@@ -31,9 +31,9 @@ bool ptdump_walk_pgd_level_core(struct s
 void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd);
 bool ptdump_check_wx(void);
 
-static inline void debug_checkwx(void)
+static inline void pgtable_checkwx(void)
 {
-	if (IS_ENABLED(CONFIG_DEBUG_WX))
+	if (IS_ENABLED(CONFIG_CHECK_WX))
 		ptdump_check_wx();
 }
 
--- a/init/main.c~arch-mm-promote-debug_wx-to-check_wx
+++ a/init/main.c
@@ -1535,7 +1535,7 @@ static void mark_readonly(void)
 		flush_module_init_free_work();
 		jump_label_init_ro();
 		mark_rodata_ro();
-		debug_checkwx();
+		pgtable_checkwx();
 		rodata_test();
 	} else if (IS_ENABLED(CONFIG_STRICT_KERNEL_RWX)) {
 		pr_info("Kernel memory protection disabled.\n");
--- a/kernel/configs/debug.config~arch-mm-promote-debug_wx-to-check_wx
+++ a/kernel/configs/debug.config
@@ -50,7 +50,7 @@ CONFIG_DEBUG_NET=y
 # CONFIG_DEBUG_PAGEALLOC is not set
 # CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF is not set
 # CONFIG_DEBUG_RODATA_TEST is not set
-# CONFIG_DEBUG_WX is not set
+# CONFIG_CHECK_WX is not set
 # CONFIG_KFENCE is not set
 # CONFIG_PAGE_POISONING is not set
 # CONFIG_SLUB_STATS is not set
--- a/mm/Kconfig~arch-mm-promote-debug_wx-to-check_wx
+++ a/mm/Kconfig
@@ -1494,6 +1494,47 @@ config LAZY_MMU_MODE_KUNIT_TEST
 
 	  If unsure, say N.
 
+config ARCH_HAS_CHECK_WX
+	bool
+
+config CHECK_WX
+	bool "Warn on W+X mappings at boot"
+	default STRICT_KERNEL_RWX
+	depends on ARCH_HAS_CHECK_WX
+	depends on ARCH_HAS_PTDUMP
+	depends on MMU
+	select PTDUMP
+	help
+	  Generate a warning if any W+X mappings are found at boot.
+
+	  This is useful for discovering cases where the kernel is leaving W+X
+	  mappings after applying NX, as such mappings are a security risk.
+
+	  Look for a message in dmesg output like this:
+
+	    <arch>/mm: Checked W+X mappings: passed, no W+X pages found.
+
+	  or like this, if the check failed:
+
+	    <arch>/mm: Checked W+X mappings: failed, <N> W+X pages found.
+
+	  Note that even if the check fails, your kernel is possibly
+	  still fine, as W+X mappings are not a security hole in
+	  themselves, what they do is that they make the exploitation
+	  of other unfixed kernel bugs easier.
+
+	  There is no runtime or memory usage effect of this option
+	  once the kernel has booted up - it's a one time check.
+
+	  If in doubt, say "Y".
+
+config ARCH_HAS_PTDUMP
+	bool
+
+config PTDUMP
+	bool
+
+
 source "mm/damon/Kconfig"
 
 endmenu
--- a/mm/Kconfig.debug~arch-mm-promote-debug_wx-to-check_wx
+++ a/mm/Kconfig.debug
@@ -180,45 +180,6 @@ config DEBUG_RODATA_TEST
 	help
 	  This option enables a testcase for the setting rodata read-only.
 
-config ARCH_HAS_DEBUG_WX
-	bool
-
-config DEBUG_WX
-	bool "Warn on W+X mappings at boot"
-	depends on ARCH_HAS_DEBUG_WX
-	depends on ARCH_HAS_PTDUMP
-	depends on MMU
-	select PTDUMP
-	help
-	  Generate a warning if any W+X mappings are found at boot.
-
-	  This is useful for discovering cases where the kernel is leaving W+X
-	  mappings after applying NX, as such mappings are a security risk.
-
-	  Look for a message in dmesg output like this:
-
-	    <arch>/mm: Checked W+X mappings: passed, no W+X pages found.
-
-	  or like this, if the check failed:
-
-	    <arch>/mm: Checked W+X mappings: failed, <N> W+X pages found.
-
-	  Note that even if the check fails, your kernel is possibly
-	  still fine, as W+X mappings are not a security hole in
-	  themselves, what they do is that they make the exploitation
-	  of other unfixed kernel bugs easier.
-
-	  There is no runtime or memory usage effect of this option
-	  once the kernel has booted up - it's a one time check.
-
-	  If in doubt, say "Y".
-
-config ARCH_HAS_PTDUMP
-	bool
-
-config PTDUMP
-	bool
-
 config PTDUMP_DEBUGFS
 	bool "Export kernel pagetable layout to userspace via debugfs"
 	depends on DEBUG_KERNEL
_

Patches currently in -mm which might be from rppt@kernel.org are

set_memory-add-number-of-pages-parameter-to-set_direct_map-apis.patch
mm-vmalloc-set-areas-page_order-after-allocation-succeeds.patch
mm-vmalloc-constify-vm-parameter-of-get_vm_area_page_order.patch
mm-vmalloc-make-set_area_direct_map-huge_vmap-friendly.patch
mm-execmem-use-vm_flush_reset_perms-for-rox-cache-allocations.patch
revert-arch-introduce-set_direct_map_valid_noflush.patch
docs-core-api-memory-allocation-add-kalloc_obj-and-clarify-kmalloc.patch
maintainers-add-memory-related-docs-in-core-mm-to-mm-misc-section.patch
mm-execmem-free-rox-cache-chunks-only-when-they-span-an-entire-vm-area.patch
mm-execmem-handle-potential-allocation-errors-in-the-maple-tree.patch
mm-execmem-make-sure-rox-cache-always-contains-multiples-of-pmd_size.patch
mm-vmalloc-add-define_free-for-vfree.patch
mm-execmem-use-cleanup-infrastructure-in-rox-cache-functions.patch
docs-core-api-memory-allocation-clarify-when-to-use-kzalloc_obj-and-kzalloc.patch
docs-mm-describe-set_memory-and-set_direct_map-apis.patch
docs-mm-describe-set_memory-and-set_direct_map-apis-fix.patch
arch-mm-promote-debug_wx-to-check_wx.patch
sh-remove-config_numa-and-realted-configuration-options.patch
sh-mm-remove-numac.patch
sh-mm-drop-allocate_pgdat.patch
sh-remove-setup_bootmem_node-and-plat_mem_setup.patch
sh-drop-dead-code-guarded-by-ifdef-config_numa.patch
sh-drop-include-asm-mmzoneh.patch
init-kconfig-drop-arch_want_numa_variable_locality.patch
sh-init-remove-call-the-memblock_set_node.patch
sh-remove-sparsemem-related-entries-from-kconfig.patch
sh-drop-include-asm-sparsememh.patch