Fix hugepage unmap issue by using flush_tlb_kernel_range() instead of…

… tlb_flush_pmd_range()
ccc007ccc · Feb 8, 2024 · f63fd7a · f63fd7a
1 parent a2e84fb
commit f63fd7a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
@@ -3452,7 +3452,8 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
 		ptl = huge_pte_lock(h, mm, ptep);
 		if (huge_pmd_unshare(mm, &address, ptep)) {
 			spin_unlock(ptl);
-			tlb_flush_pmd_range(tlb, address & PUD_MASK, PUD_SIZE);
+			// tlb_flush_pmd_range(tlb, address & PUD_MASK, PUD_SIZE);
+			flush_tlb_kernel_range(address & PUD_MASK, (address & PUD_MASK) + PUD_SIZE);
 			force_flush = true;
 			continue;
 		}