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| author | Aneesh Kumar K.V | 2019-05-14 08:03:01 +0200 |
|---|---|---|
| committer | Michael Ellerman | 2019-07-04 16:43:59 +0200 |
| commit | 1ecf2cdc74fc7f79b4b45dd34f89c4a8e6ada96f (patch) | |
| tree | 60fb5b62a25153a00f45dd8609e9b86ed694603a /arch/powerpc/mm | |
| parent | powerpc/book3s: Use config independent helpers for page table walk (diff) | |
| download | kernel-qcow2-linux-1ecf2cdc74fc7f79b4b45dd34f89c4a8e6ada96f.tar.gz kernel-qcow2-linux-1ecf2cdc74fc7f79b4b45dd34f89c4a8e6ada96f.tar.xz kernel-qcow2-linux-1ecf2cdc74fc7f79b4b45dd34f89c4a8e6ada96f.zip | |
powerpc/mm: pmd_devmap implies pmd_large().
large devmap usage is dependent on THP. Hence once check is sufficient.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/book3s64/pgtable.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c index 953850a602f7..85bc81abd286 100644 --- a/arch/powerpc/mm/book3s64/pgtable.c +++ b/arch/powerpc/mm/book3s64/pgtable.c @@ -76,7 +76,7 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, WARN_ON(pte_hw_valid(pmd_pte(*pmdp)) && !pte_protnone(pmd_pte(*pmdp))); assert_spin_locked(pmd_lockptr(mm, pmdp)); - WARN_ON(!(pmd_large(pmd) || pmd_devmap(pmd))); + WARN_ON(!(pmd_large(pmd))); #endif trace_hugepage_set_pmd(addr, pmd_val(pmd)); return set_pte_at(mm, addr, pmdp_ptep(pmdp), pmd_pte(pmd)); diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 2892246a6fef..262adf1849e3 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -333,7 +333,7 @@ struct page *pud_page(pud_t pud) struct page *pmd_page(pmd_t pmd) { if (pmd_is_leaf(pmd)) { - VM_WARN_ON(!(pmd_large(pmd) || pmd_huge(pmd) || pmd_devmap(pmd))); + VM_WARN_ON(!(pmd_large(pmd) || pmd_huge(pmd))); return pte_page(pmd_pte(pmd)); } return virt_to_page(pmd_page_vaddr(pmd)); |