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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2019-05-14 09:03:01 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2019-07-04 17:43:59 +0300
commit1ecf2cdc74fc7f79b4b45dd34f89c4a8e6ada96f (patch)
tree60fb5b62a25153a00f45dd8609e9b86ed694603a /arch
parentd6eacedd1f0ebf00bdf1c77715d194f7c1036fd4 (diff)
downloadlinux-1ecf2cdc74fc7f79b4b45dd34f89c4a8e6ada96f.tar.xz
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')
-rw-r--r--arch/powerpc/mm/book3s64/pgtable.c2
-rw-r--r--arch/powerpc/mm/pgtable_64.c2
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));