kevin/linux
1
Fork 0
Code

mm: change pudp_huge_get_and_clear_full take vm_area_struct as arg

Browse Source 
We will use this in a later patch to do tlb flush when clearing pud
entries on powerpc.  This is similar to commit 93a98695f2 ("mm: change
pmdp_huge_get_and_clear_full take vm_area_struct as arg")

Link: https://lkml.kernel.org/r/20230724190759.483013-3-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Aneesh Kumar K.V 2023-07-25 00:37:48 +05:30 committed by Andrew Morton
parent 348ad1606f
commit f32928ab6f
3 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/pgtable.h
View File

@ -456,11 +456,11 @@ static inline pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
#endif
#ifndef __HAVE_ARCH_PUDP_HUGE_GET_AND_CLEAR_FULL
static inline pud_t pudp_huge_get_and_clear_full(struct mm_struct *mm,
static inline pud_t pudp_huge_get_and_clear_full(struct vm_area_struct *vma,
unsigned long address, pud_t *pudp,
int full)
{
return pudp_huge_get_and_clear(mm, address, pudp);
return pudp_huge_get_and_clear(vma->vm_mm, address, pudp);
}
#endif
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */

2
mm/debug_vm_pgtable.c
View File

@ -385,7 +385,7 @@ static void __init pud_advanced_tests(struct pgtable_debug_args *args)
WARN_ON(!(pud_write(pud) && pud_dirty(pud)));
#ifndef __PAGETABLE_PMD_FOLDED
pudp_huge_get_and_clear_full(args->mm, vaddr, args->pudp, 1);
pudp_huge_get_and_clear_full(args->vma, vaddr, args->pudp, 1);
pud = READ_ONCE(*args->pudp);
WARN_ON(!pud_none(pud));
#endif /* __PAGETABLE_PMD_FOLDED */

2
mm/huge_memory.c
View File

@ -1981,7 +1981,7 @@ int zap_huge_pud(struct mmu_gather *tlb, struct vm_area_struct *vma,
if (!ptl)
return 0;
pudp_huge_get_and_clear_full(tlb->mm, addr, pud, tlb->fullmm);
pudp_huge_get_and_clear_full(vma, addr, pud, tlb->fullmm);
tlb_remove_pud_tlb_entry(tlb, pud, addr);
if (vma_is_special_huge(vma)) {
spin_unlock(ptl);