+ mm-remove-__have_arch_ptep_clear-in-pgtableh.patch added to mm-unstable branch

+ mm-remove-__have_arch_ptep_clear-in-pgtableh.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm: remove __HAVE_ARCH_PTEP_CLEAR in pgtable.h
has been added to the -mm mm-unstable branch.  Its filename is
     mm-remove-__have_arch_ptep_clear-in-pgtableh.patch

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

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------------------------------------------------------
From: Tong Tiangen <tongtiangen@huawei.com>
Subject: mm: remove __HAVE_ARCH_PTEP_CLEAR in pgtable.h

Currently, there is no architecture definition __HAVE_ARCH_PTEP_CLEAR,
Generic ptep_clear() is the only definition for all architecture, So drop
the "#ifndef __HAVE_ARCH_PTEP_CLEAR".

Link: https://lkml.kernel.org/r/20220507110114.4128854-5-tongtiangen@huawei.com
Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
Suggested-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/pgtable.h |    2 --
 1 file changed, 2 deletions(-)

--- a/include/linux/pgtable.h~mm-remove-__have_arch_ptep_clear-in-pgtableh
+++ a/include/linux/pgtable.h
@@ -272,13 +272,11 @@ static inline pte_t ptep_get_and_clear(s
 }
 #endif
 
-#ifndef __HAVE_ARCH_PTEP_CLEAR
 static inline void ptep_clear(struct mm_struct *mm, unsigned long addr,
 			      pte_t *ptep)
 {
 	ptep_get_and_clear(mm, addr, ptep);
 }
-#endif
 
 #ifndef __HAVE_ARCH_PTEP_GET
 static inline pte_t ptep_get(pte_t *ptep)
_

Patches currently in -mm which might be from tongtiangen@huawei.com are

mm-page_table_check-using-pxd_size-instead-of-pxd_page_size.patch
mm-page_table_check-add-hooks-to-public-helpers.patch
mm-remove-__have_arch_ptep_clear-in-pgtableh.patch
riscv-mm-enable-arch_supports_page_table_check.patch