From: akpm@linux-foundation.org
To: anshuman.khandual@arm.com, gerald.schaefer@linux.ibm.com,
gor@linux.ibm.com, hca@linux.ibm.com, mingo@redhat.com,
mm-commits@vger.kernel.org, tglx@linutronix.de
Subject: [merged] mm-thp-make-arch_enable_split_pmd_ptlock-dependent-on-pgtable_levels-2.patch removed from -mm tree
Date: Tue, 06 Jul 2021 12:19:51 -0700 [thread overview]
Message-ID: <20210706191951.Q1PHQUQmL%akpm@linux-foundation.org> (raw)
The patch titled
Subject: mm/thp: make ARCH_ENABLE_SPLIT_PMD_PTLOCK dependent on PGTABLE_LEVELS > 2
has been removed from the -mm tree. Its filename was
mm-thp-make-arch_enable_split_pmd_ptlock-dependent-on-pgtable_levels-2.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm/thp: make ARCH_ENABLE_SPLIT_PMD_PTLOCK dependent on PGTABLE_LEVELS > 2
ARCH_ENABLE_SPLIT_PMD_PTLOCK is irrelevant unless there are more than two
page table levels including PMD (also per
Documentation/vm/split_page_table_lock.rst). Make this dependency
explicit on remaining platforms i.e x86 and s390 where
ARCH_ENABLE_SPLIT_PMD_PTLOCK is subscribed.
Link: https://lkml.kernel.org/r/1622013501-20409-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com> # s390
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/s390/Kconfig | 2 +-
arch/x86/Kconfig | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/arch/s390/Kconfig~mm-thp-make-arch_enable_split_pmd_ptlock-dependent-on-pgtable_levels-2
+++ a/arch/s390/Kconfig
@@ -62,7 +62,7 @@ config S390
select ARCH_BINFMT_ELF_STATE
select ARCH_ENABLE_MEMORY_HOTPLUG if SPARSEMEM
select ARCH_ENABLE_MEMORY_HOTREMOVE
- select ARCH_ENABLE_SPLIT_PMD_PTLOCK
+ select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2
select ARCH_HAS_DEBUG_VM_PGTABLE
select ARCH_HAS_DEBUG_WX
select ARCH_HAS_DEVMEM_IS_ALLOWED
--- a/arch/x86/Kconfig~mm-thp-make-arch_enable_split_pmd_ptlock-dependent-on-pgtable_levels-2
+++ a/arch/x86/Kconfig
@@ -63,7 +63,7 @@ config X86
select ARCH_ENABLE_HUGEPAGE_MIGRATION if X86_64 && HUGETLB_PAGE && MIGRATION
select ARCH_ENABLE_MEMORY_HOTPLUG if X86_64 || (X86_32 && HIGHMEM)
select ARCH_ENABLE_MEMORY_HOTREMOVE if MEMORY_HOTPLUG
- select ARCH_ENABLE_SPLIT_PMD_PTLOCK if X86_64 || X86_PAE
+ select ARCH_ENABLE_SPLIT_PMD_PTLOCK if (PGTABLE_LEVELS > 2) && (X86_64 || X86_PAE)
select ARCH_ENABLE_THP_MIGRATION if X86_64 && TRANSPARENT_HUGEPAGE
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_CACHE_LINE_SIZE
_
Patches currently in -mm which might be from anshuman.khandual@arm.com are
mm-thp-make-alloc_split_ptlocks-dependent-on-use_split_pte_ptlocks.patch
reply other threads:[~2021-07-06 19:19 UTC|newest]
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