Merge tag 'for-5.15/io_uring-2021-09-04' of git://git.kernel.dk/linux-block

[linux-2.6-microblaze.git] / arch / microblaze / include / asm / page.h

diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index ce55097..4b8b2fa 100644 (file)
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -112,8 +112,7 @@ extern int page_is_ram(unsigned long pfn);
 #  define page_to_phys(page)     (page_to_pfn(page) << PAGE_SHIFT)
 
 #  define ARCH_PFN_OFFSET      (memory_start >> PAGE_SHIFT)
-#  define pfn_valid(pfn)       ((pfn) < (max_mapnr + ARCH_PFN_OFFSET))
-
+#  define pfn_valid(pfn)       ((pfn) >= ARCH_PFN_OFFSET && (pfn) < (max_mapnr + ARCH_PFN_OFFSET))
 # endif /* __ASSEMBLY__ */
 
 #define        virt_addr_valid(vaddr)  (pfn_valid(virt_to_pfn(vaddr)))