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mm: change pmdp_huge_get_and_clear_full take vm_area_struct as arg

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We will use this in later patch to do tlb flush when clearing pmd entries.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200505071729.54912-22-aneesh.kumar@linux.ibm.com
This commit is contained in:
Aneesh Kumar K.V 2020-05-05 12:47:28 +05:30 • committed by Michael Ellerman
parent f2b8d76dc6
commit 93a98695f2
3 changed files with 6 additions and 6 deletions
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4
arch/s390/include/asm/pgtable.h
View file

@ -1560,7 +1560,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
} }
#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR_FULL #define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR_FULL
static inline pmd_t pmdp_huge_get_and_clear_full(struct mm_struct *mm, static inline pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
unsigned long addr, unsigned long addr,
pmd_t *pmdp, int full) pmd_t *pmdp, int full)
{ {
@ -1569,7 +1569,7 @@ static inline pmd_t pmdp_huge_get_and_clear_full(struct mm_struct *mm,
*pmdp = __pmd(_SEGMENT_ENTRY_EMPTY); *pmdp = __pmd(_SEGMENT_ENTRY_EMPTY);
return pmd; return pmd;
} }
return pmdp_xchg_lazy(mm, addr, pmdp, __pmd(_SEGMENT_ENTRY_EMPTY)); return pmdp_xchg_lazy(vma->vm_mm, addr, pmdp, __pmd(_SEGMENT_ENTRY_EMPTY));
} }
#define __HAVE_ARCH_PMDP_HUGE_CLEAR_FLUSH #define __HAVE_ARCH_PMDP_HUGE_CLEAR_FLUSH

4
include/asm-generic/pgtable.h
View file

@ -159,11 +159,11 @@ static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
#ifdef CONFIG_TRANSPARENT_HUGEPAGE #ifdef CONFIG_TRANSPARENT_HUGEPAGE
#ifndef __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR_FULL #ifndef __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR_FULL
static inline pmd_t pmdp_huge_get_and_clear_full(struct mm_struct *mm, static inline pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp, unsigned long address, pmd_t *pmdp,
int full) int full)
{ {
return pmdp_huge_get_and_clear(mm, address, pmdp); return pmdp_huge_get_and_clear(vma->vm_mm, address, pmdp);
} }
#endif #endif

2
mm/huge_memory.c
View file

@ -1852,7 +1852,7 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
* pgtable_trans_huge_withdraw after finishing pmdp related * pgtable_trans_huge_withdraw after finishing pmdp related
* operations. * operations.
*/ */
orig_pmd = pmdp_huge_get_and_clear_full(tlb->mm, addr, pmd, orig_pmd = pmdp_huge_get_and_clear_full(vma, addr, pmd,
tlb->fullmm); tlb->fullmm);
tlb_remove_pmd_tlb_entry(tlb, pmd, addr); tlb_remove_pmd_tlb_entry(tlb, pmd, addr);
if (vma_is_special_huge(vma)) { if (vma_is_special_huge(vma)) {