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powerpc/nohash: Refactor pte_clear()

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pte_clear() are doing the same on nohash/32 and nohash/64,

Keep the static inline version of nohash/64, make it common and
remove the macro version of nohash/32.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/818f7df83d7e9e18f55e274cd3c44f2871ade4dd.1695659959.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2023-09-25 20:31:32 +02:00 committed by Michael Ellerman
parent cc68d77feb
commit 2ef9f4bb9c
3 changed files with 5 additions and 10 deletions
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3
arch/powerpc/include/asm/nohash/32/pgtable.h
View file

@ -153,9 +153,6 @@
#ifndef __ASSEMBLY__
#define pte_clear(mm, addr, ptep) \
do { pte_update(mm, addr, ptep, ~0, 0, 0); } while (0)
#define pmd_none(pmd) (!pmd_val(pmd))
#define pmd_bad(pmd) (pmd_val(pmd) & _PMD_BAD)
#define pmd_present(pmd) (pmd_val(pmd) & _PMD_PRESENT_MASK)

7
arch/powerpc/include/asm/nohash/64/pgtable.h
View file

@ -159,13 +159,6 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
__young; \
})
static inline void pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t * ptep)
{
pte_update(mm, addr, ptep, ~0UL, 0, 0);
}
/* Set the dirty and/or accessed bits atomically in a linux PTE */
static inline void __ptep_set_access_flags(struct vm_area_struct *vma,
pte_t *ptep, pte_t entry,

5
arch/powerpc/include/asm/nohash/pgtable.h
View file

@ -96,6 +96,11 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
}
#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
pte_update(mm, addr, ptep, ~0UL, 0, 0);
}
/* Generic accessors to PTE bits */
#ifndef pte_mkwrite_novma
static inline pte_t pte_mkwrite_novma(pte_t pte)