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-rw-r--r--mm/huge_memory.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index d7ee1691fd21..32754eece63e 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1460,9 +1460,10 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
if (__pmd_trans_huge_lock(pmd, vma) == 1) {
pmd_t entry;
entry = pmdp_get_and_clear(mm, addr, pmd);
- if (!prot_numa)
+ if (!prot_numa) {
entry = pmd_modify(entry, newprot);
- else {
+ BUG_ON(pmd_write(entry));
+ } else {
struct page *page = pmd_page(*pmd);
/* only check non-shared pages */
@@ -1471,7 +1472,6 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
entry = pmd_mknuma(entry);
}
}
- BUG_ON(pmd_write(entry));
set_pmd_at(mm, addr, pmd, entry);
spin_unlock(&vma->vm_mm->page_table_lock);
ret = 1;