summaryrefslogtreecommitdiff
path: root/include/asm-x86/pgtable_32.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86/pgtable_32.h')
-rw-r--r--include/asm-x86/pgtable_32.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index ed3e70d8d04b..a8be1ee15a99 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -497,9 +497,15 @@ static inline void paravirt_pagetable_setup_done(pgd_t *base)
#endif /* !__ASSEMBLY__ */
+/*
+ * kern_addr_valid() is (1) for FLATMEM and (0) for
+ * SPARSEMEM and DISCONTIGMEM
+ */
#ifdef CONFIG_FLATMEM
#define kern_addr_valid(addr) (1)
-#endif /* CONFIG_FLATMEM */
+#else
+#define kern_addr_valid(kaddr) (0)
+#endif
#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
remap_pfn_range(vma, vaddr, pfn, size, prot)