The patch titled
Subject: mm/hugetlb: generalize ARCH_WANT_GENERAL_HUGETLB
has been added to the -mm tree. Its filename is
mm-hugetlb-generalize-arch_want_general_hugetlb.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-hugetlb-generalize-arch_want_general_hugetlb.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-hugetlb-generalize-arch_want_general_hugetlb.patch
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------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Subject: mm/hugetlb: generalize ARCH_WANT_GENERAL_HUGETLB
ARCH_WANT_GENERAL_HUGETLB config has duplicate definitions on platforms
that subscribe it. Instead make it a generic config option which can be
selected on applicable platforms when required.
Link: https://lkml.kernel.org/r/1643718465-4324-1-git-send-email-anshuman.khandual@xxxxxxx
Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/Kconfig | 4 +---
arch/riscv/Kconfig | 4 +---
arch/x86/Kconfig | 4 +---
mm/Kconfig | 3 +++
4 files changed, 6 insertions(+), 9 deletions(-)
--- a/arch/arm/Kconfig~mm-hugetlb-generalize-arch_want_general_hugetlb
+++ a/arch/arm/Kconfig
@@ -37,6 +37,7 @@ config ARM
select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_USE_MEMTEST
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
+ select ARCH_WANT_GENERAL_HUGETLB
select ARCH_WANT_IPC_PARSE_VERSION
select ARCH_WANT_LD_ORPHAN_WARN
select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
@@ -1508,9 +1509,6 @@ config HW_PERF_EVENTS
def_bool y
depends on ARM_PMU
-config ARCH_WANT_GENERAL_HUGETLB
- def_bool y
-
config ARM_MODULE_PLTS
bool "Use PLTs to allow module memory to spill over into vmalloc area"
depends on MODULES
--- a/arch/riscv/Kconfig~mm-hugetlb-generalize-arch_want_general_hugetlb
+++ a/arch/riscv/Kconfig
@@ -40,6 +40,7 @@ config RISCV
select ARCH_USE_MEMTEST
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_FRAME_POINTERS
+ select ARCH_WANT_GENERAL_HUGETLB
select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
select BINFMT_FLAT_NO_DATA_START_OFFSET if !MMU
select BUILDTIME_TABLE_SORT if MMU
@@ -171,9 +172,6 @@ config ARCH_SPARSEMEM_ENABLE
config ARCH_SELECT_MEMORY_MODEL
def_bool ARCH_SPARSEMEM_ENABLE
-config ARCH_WANT_GENERAL_HUGETLB
- def_bool y
-
config ARCH_SUPPORTS_UPROBES
def_bool y
--- a/arch/x86/Kconfig~mm-hugetlb-generalize-arch_want_general_hugetlb
+++ a/arch/x86/Kconfig
@@ -118,6 +118,7 @@ config X86
select ARCH_WANT_DEFAULT_BPF_JIT if X86_64
select ARCH_WANTS_DYNAMIC_TASK_STRUCT
select ARCH_WANTS_NO_INSTR
+ select ARCH_WANT_GENERAL_HUGETLB
select ARCH_WANT_HUGE_PMD_SHARE
select ARCH_WANT_LD_ORPHAN_WARN
select ARCH_WANTS_THP_SWAP if X86_64
@@ -344,9 +345,6 @@ config ARCH_NR_GPIO
config ARCH_SUSPEND_POSSIBLE
def_bool y
-config ARCH_WANT_GENERAL_HUGETLB
- def_bool y
-
config AUDIT_ARCH
def_bool y if X86_64
--- a/mm/Kconfig~mm-hugetlb-generalize-arch_want_general_hugetlb
+++ a/mm/Kconfig
@@ -411,6 +411,9 @@ choice
benefit.
endchoice
+config ARCH_WANT_GENERAL_HUGETLB
+ bool
+
config ARCH_WANTS_THP_SWAP
def_bool n
_
Patches currently in -mm which might be from anshuman.khandual@xxxxxxx are
mm-generalize-arch_has_filter_pgprot.patch
mm-hugetlb-generalize-arch_want_general_hugetlb.patch
mm-migration-add-trace-events-for-thp-migrations.patch
mm-migration-add-trace-events-for-base-page-and-hugetlb-migrations.patch
