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-rw-r--r--mm/hmm.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/mm/hmm.c b/mm/hmm.c
index 277ddcab49..93aebd9cc1 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -424,22 +424,17 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end,
walk->action = ACTION_CONTINUE;
pud = READ_ONCE(*pudp);
- if (pud_none(pud)) {
+ if (!pud_present(pud)) {
spin_unlock(ptl);
return hmm_vma_walk_hole(start, end, -1, walk);
}
- if (pud_huge(pud) && pud_devmap(pud)) {
+ if (pud_leaf(pud) && pud_devmap(pud)) {
unsigned long i, npages, pfn;
unsigned int required_fault;
unsigned long *hmm_pfns;
unsigned long cpu_flags;
- if (!pud_present(pud)) {
- spin_unlock(ptl);
- return hmm_vma_walk_hole(start, end, -1, walk);
- }
-
i = (addr - range->start) >> PAGE_SHIFT;
npages = (end - addr) >> PAGE_SHIFT;
hmm_pfns = &range->hmm_pfns[i];