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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 <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
This commit is contained in:
Aneesh Kumar K.V authored and Michael Ellerman committed 2020-05-05 21:20:13 +10:00
1 parent f2b8d76dc6
commit 93a98695f2
3 files changed
+6 -6
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arch/s390/include/asm/pgtable.h
+2 -2
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
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,
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);
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
include/asm-generic/pgtable.h
+2 -2
View File
@@ -159,11 +159,11 @@ static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
#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,
int full)
{
return pmdp_huge_get_and_clear(mm, address, pmdp);
return pmdp_huge_get_and_clear(vma->vm_mm, address, pmdp);
}
#endif
mm/huge_memory.c
+2 -2
View File
@@ -1852,8 +1852,8 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
* pgtable_trans_huge_withdraw after finishing pmdp related
* operations.
*/
orig_pmd = pmdp_huge_get_and_clear_full(tlb->mm, addr, pmd,
tlb->fullmm);
orig_pmd = pmdp_huge_get_and_clear_full(vma, addr, pmd,
tlb->fullmm);
tlb_remove_pmd_tlb_entry(tlb, pmd, addr);
if (vma_is_special_huge(vma)) {
if (arch_needs_pgtable_deposit())