mm/nommu.c: export symbol max_mapnr
authorgchen gchen <xili_gchen_5257@hotmail.com>
Thu, 12 Mar 2015 23:26:05 +0000 (16:26 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 13 Mar 2015 01:46:08 +0000 (18:46 -0700)
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 <gang.chen.5i5j@gmail.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/nommu.c

index 3e67e7538ecf048b32463abdf8c7eaf1107dcd15..3fba2dc97c44bece0d6fb5754afdafb1dba6353e 100644 (file)
@@ -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 */