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mm/debug_vm_pgtable/locks: move non page table modifying test together 

This will help in adding proper locks in a later patch

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: 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/20200902114222.181353-9-aneesh.kumar@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Aneesh Kumar K.V 2020-10-15 20:04:49 -07:00 committed by Linus Torvalds
parent c3824e18d3
commit e8edf0adb9
1 changed files with 28 additions and 23 deletions
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51
mm/debug_vm_pgtable.c
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@ -984,7 +984,7 @@ static int __init debug_vm_pgtable(void)
p4dp = p4d_alloc(mm, pgdp, vaddr);
pudp = pud_alloc(mm, p4dp, vaddr);
pmdp = pmd_alloc(mm, pudp, vaddr);
ptep = pte_alloc_map_lock(mm, pmdp, vaddr, &ptl);
ptep = pte_alloc_map(mm, pmdp, vaddr);
/*
* Save all the page table page addresses as the page table
@ -1004,33 +1004,12 @@ static int __init debug_vm_pgtable(void)
p4d_basic_tests(p4d_aligned, prot);
pgd_basic_tests(pgd_aligned, prot);
pte_clear_tests(mm, ptep, vaddr);
pmd_clear_tests(mm, pmdp);
pud_clear_tests(mm, pudp);
p4d_clear_tests(mm, p4dp);
pgd_clear_tests(mm, pgdp);
pte_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot);
pud_advanced_tests(mm, vma, pudp, pud_aligned, vaddr, prot);
hugetlb_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
pmd_leaf_tests(pmd_aligned, prot);
pud_leaf_tests(pud_aligned, prot);
pmd_huge_tests(pmdp, pmd_aligned, prot);
pud_huge_tests(pudp, pud_aligned, prot);
pte_savedwrite_tests(pte_aligned, protnone);
pmd_savedwrite_tests(pmd_aligned, protnone);
pte_unmap_unlock(ptep, ptl);
pmd_populate_tests(mm, pmdp, saved_ptep);
pud_populate_tests(mm, pudp, saved_pmdp);
p4d_populate_tests(mm, p4dp, saved_pudp);
pgd_populate_tests(mm, pgdp, saved_p4dp);
pte_special_tests(pte_aligned, prot);
pte_protnone_tests(pte_aligned, protnone);
pmd_protnone_tests(pmd_aligned, protnone);
@ -1048,11 +1027,37 @@ static int __init debug_vm_pgtable(void)
pmd_swap_tests(pmd_aligned, prot);
swap_migration_tests();
hugetlb_basic_tests(pte_aligned, prot);
pmd_thp_tests(pmd_aligned, prot);
pud_thp_tests(pud_aligned, prot);
hugetlb_basic_tests(pte_aligned, prot);
pte_clear_tests(mm, ptep, vaddr);
pmd_clear_tests(mm, pmdp);
pud_clear_tests(mm, pudp);
p4d_clear_tests(mm, p4dp);
pgd_clear_tests(mm, pgdp);
ptl = pte_lockptr(mm, pmdp);
spin_lock(ptl);
pte_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot);
pud_advanced_tests(mm, vma, pudp, pud_aligned, vaddr, prot);
hugetlb_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
pmd_huge_tests(pmdp, pmd_aligned, prot);
pud_huge_tests(pudp, pud_aligned, prot);
pte_unmap_unlock(ptep, ptl);
pmd_populate_tests(mm, pmdp, saved_ptep);
pud_populate_tests(mm, pudp, saved_pmdp);
p4d_populate_tests(mm, p4dp, saved_pudp);
pgd_populate_tests(mm, pgdp, saved_p4dp);
p4d_free(mm, saved_p4dp);
pud_free(mm, saved_pudp);
pmd_free(mm, saved_pmdp);