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-rw-r--r--mm/vmalloc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 6e45b0f..dc41e9c 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -180,6 +180,11 @@ struct page *vmalloc_to_page(const void *vmalloc_addr)
pmd_t *pmd;
pte_t *ptep, pte;
+ /* XXX we might need to change this if we add VIRTUAL_BUG_ON for
+ * architectures that do not vmalloc module space */
+ VIRTUAL_BUG_ON(!is_vmalloc_addr(vmalloc_addr) &&
+ !is_module_address(addr));
+
if (!pgd_none(*pgd)) {
pud = pud_offset(pgd, addr);
if (!pud_none(*pud)) {