mirror of
https://github.com/Fishwaldo/Star64_linux.git
synced 2025-03-16 04:04:06 +00:00
mm/debug_vm_pgtable/thp: use page table depost/withdraw with THP
Architectures like ppc64 use deposited page table while updating the huge pte entries. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Michael Ellerman <mpe@ellerman.id.au> Link: https://lkml.kernel.org/r/20200902114222.181353-11-aneesh.kumar@linux.ibm.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
6f302e270c
commit
87f34986de
1 changed files with 7 additions and 3 deletions
|
@ -154,7 +154,7 @@ static void __init pmd_basic_tests(unsigned long pfn, pgprot_t prot)
|
|||
static void __init pmd_advanced_tests(struct mm_struct *mm,
|
||||
struct vm_area_struct *vma, pmd_t *pmdp,
|
||||
unsigned long pfn, unsigned long vaddr,
|
||||
pgprot_t prot)
|
||||
pgprot_t prot, pgtable_t pgtable)
|
||||
{
|
||||
pmd_t pmd = pfn_pmd(pfn, prot);
|
||||
|
||||
|
@ -165,6 +165,8 @@ static void __init pmd_advanced_tests(struct mm_struct *mm,
|
|||
/* Align the address wrt HPAGE_PMD_SIZE */
|
||||
vaddr = (vaddr & HPAGE_PMD_MASK) + HPAGE_PMD_SIZE;
|
||||
|
||||
pgtable_trans_huge_deposit(mm, pmdp, pgtable);
|
||||
|
||||
pmd = pfn_pmd(pfn, prot);
|
||||
set_pmd_at(mm, vaddr, pmdp, pmd);
|
||||
pmdp_set_wrprotect(mm, vaddr, pmdp);
|
||||
|
@ -193,6 +195,8 @@ static void __init pmd_advanced_tests(struct mm_struct *mm,
|
|||
pmdp_test_and_clear_young(vma, vaddr, pmdp);
|
||||
pmd = READ_ONCE(*pmdp);
|
||||
WARN_ON(pmd_young(pmd));
|
||||
|
||||
pgtable = pgtable_trans_huge_withdraw(mm, pmdp);
|
||||
}
|
||||
|
||||
static void __init pmd_leaf_tests(unsigned long pfn, pgprot_t prot)
|
||||
|
@ -369,7 +373,7 @@ static void __init pud_basic_tests(unsigned long pfn, pgprot_t prot) { }
|
|||
static void __init pmd_advanced_tests(struct mm_struct *mm,
|
||||
struct vm_area_struct *vma, pmd_t *pmdp,
|
||||
unsigned long pfn, unsigned long vaddr,
|
||||
pgprot_t prot)
|
||||
pgprot_t prot, pgtable_t pgtable)
|
||||
{
|
||||
}
|
||||
static void __init pud_advanced_tests(struct mm_struct *mm,
|
||||
|
@ -1046,7 +1050,7 @@ static int __init debug_vm_pgtable(void)
|
|||
|
||||
ptl = pmd_lock(mm, pmdp);
|
||||
pmd_clear_tests(mm, pmdp);
|
||||
pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot);
|
||||
pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot, saved_ptep);
|
||||
pmd_huge_tests(pmdp, pmd_aligned, prot);
|
||||
pmd_populate_tests(mm, pmdp, saved_ptep);
|
||||
spin_unlock(ptl);
|
||||
|
|
Loading…
Add table
Reference in a new issue