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-rw-r--r--mm/madvise.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 886f06066622..bfe0e06427bd 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -233,6 +233,7 @@ static int swapin_walk_pmd_entry(pmd_t *pmd, unsigned long start,
static const struct mm_walk_ops swapin_walk_ops = {
.pmd_entry = swapin_walk_pmd_entry,
+ .walk_lock = PGWALK_RDLOCK,
};
static void shmem_swapin_range(struct vm_area_struct *vma,
@@ -534,6 +535,7 @@ regular_folio:
static const struct mm_walk_ops cold_walk_ops = {
.pmd_entry = madvise_cold_or_pageout_pte_range,
+ .walk_lock = PGWALK_RDLOCK,
};
static void madvise_cold_page_range(struct mmu_gather *tlb,
@@ -757,6 +759,7 @@ static int madvise_free_pte_range(pmd_t *pmd, unsigned long addr,
static const struct mm_walk_ops madvise_free_walk_ops = {
.pmd_entry = madvise_free_pte_range,
+ .walk_lock = PGWALK_RDLOCK,
};
static int madvise_free_single_vma(struct vm_area_struct *vma,