Merge branch 'linux-5.7' of git://github.com/skeggsb/linux into drm-fixes
[linux-2.6-microblaze.git] / include / linux / mmzone.h
index e9892bf..1b9de7d 100644 (file)
@@ -1127,6 +1127,7 @@ static inline unsigned long section_nr_to_pfn(unsigned long sec)
 #define SECTION_ALIGN_DOWN(pfn)        ((pfn) & PAGE_SECTION_MASK)
 
 #define SUBSECTION_SHIFT 21
+#define SUBSECTION_SIZE (1UL << SUBSECTION_SHIFT)
 
 #define PFN_SUBSECTION_SHIFT (SUBSECTION_SHIFT - PAGE_SHIFT)
 #define PAGES_PER_SUBSECTION (1UL << PFN_SUBSECTION_SHIFT)