PMD-mapped hugetlb vmas will also reach hmm_vma_walk_pmd.
Add the required code so it knows how to handle those there.
Signed-off-by: Oscar Salvador <osalvador@xxxxxxx>
---
mm/hmm.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/mm/hmm.c b/mm/hmm.c
index 7e0229ae4a5a..fbee08973544 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -183,7 +183,7 @@ static inline unsigned long pmd_to_hmm_pfn_flags(struct hmm_range *range,
hmm_pfn_flags_order(PMD_SHIFT - PAGE_SHIFT);
}
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#ifdef CONFIG_PGTABLE_HAS_HUGE_LEAVES
static int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr,
unsigned long end, unsigned long hmm_pfns[],
pmd_t pmd)
@@ -206,11 +206,11 @@ static int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr,
hmm_pfns[i] = pfn | cpu_flags;
return 0;
}
-#else /* CONFIG_TRANSPARENT_HUGEPAGE */
+#else /* CONFIG_PGTABLE_HAS_HUGE_LEAVES */
/* stub to allow the code below to compile */
int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr,
unsigned long end, unsigned long hmm_pfns[], pmd_t pmd);
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+#endif /* CONFIG_PGTABLE_HAS_HUGE_LEAVES */
static inline unsigned long pte_to_hmm_pfn_flags(struct hmm_range *range,
pte_t pte)
@@ -336,7 +336,7 @@ static int hmm_vma_walk_pmd(pmd_t *pmdp,
if (pmd_none(pmd))
return hmm_vma_walk_hole(start, end, -1, walk);
- if (thp_migration_supported() && is_pmd_migration_entry(pmd)) {
+ if (is_pmd_migration_entry(pmd)) {
if (hmm_range_need_fault(hmm_vma_walk, hmm_pfns, npages, 0)) {
hmm_vma_walk->last = addr;
pmd_migration_entry_wait(walk->mm, pmdp);
@@ -351,7 +351,7 @@ static int hmm_vma_walk_pmd(pmd_t *pmdp,
return hmm_pfns_fill(start, end, range, HMM_PFN_ERROR);
}
- if (pmd_devmap(pmd) || pmd_trans_huge(pmd)) {
+ if (pmd_devmap(pmd) || pmd_leaf(pmd)) {
/*
* No need to take pmd_lock here, even if some other thread
* is splitting the huge pmd we will get that event through
--
2.26.2
