mm/nommu.c: export symbol max_mapnr

Several modules may need max_mapnr, so export, the related error with allmodconfig under c6x: MODPOST 3327 modules ERROR: "max_mapnr" [fs/pstore/ramoops.ko] undefined! ERROR: "max_mapnr" [drivers/media/v4l2-core/videobuf2-dma-contig.ko] undefined! Signed-off-by: Chen Gang <[email protected]> Cc: Mark Salter <[email protected]> Cc: Aurelien Jacquiot <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
mrcsosa · Mar 13, 2015 · 5b8bf30 · 5b8bf30
1 parent 65b9ab8
commit 5b8bf30
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mm/nommu.c b/mm/nommu.c
@@ -62,6 +62,7 @@ void *high_memory;
 EXPORT_SYMBOL(high_memory);
 struct page *mem_map;
 unsigned long max_mapnr;
+EXPORT_SYMBOL(max_mapnr);
 unsigned long highest_memmap_pfn;
 struct percpu_counter vm_committed_as;
 int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */