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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2020-10-15 20:04:49 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 11:11:14 -0700 |
| commit | e8edf0adb95dc311e3beae361917d30d72845e04 (patch) | |
| tree | bbcaad1833528838c3019c3676e93ed16f66e257 /mm/debug_vm_pgtable.c | |
| parent | c3824e18d3f3946015ac641d46fdeeefd30bfd66 (diff) | |
| download | linux-stable-e8edf0adb95dc311e3beae361917d30d72845e04.tar.gz linux-stable-e8edf0adb95dc311e3beae361917d30d72845e04.tar.bz2 linux-stable-e8edf0adb95dc311e3beae361917d30d72845e04.zip | |
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>
Diffstat (limited to 'mm/debug_vm_pgtable.c')
| -rw-r--r-- | mm/debug_vm_pgtable.c | 51 |
1 files changed, 28 insertions, 23 deletions
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index 2ba5ec866f53..3ed3fb68922c 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -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); |