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authorgchen gchen <xili_gchen_5257@hotmail.com>2015-03-12 16:26:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-03-12 18:46:08 -0700
commit5b8bf30721980b254be7a07315c353b3a3175b74 (patch)
tree359dbc4dd062a4fc64f6bcfbc2a8df169a9fe15b /mm/nommu.c
parent65b9ab888cd7bd14b314e9238ce6d4886df846fa (diff)
downloadlinux-5b8bf30721980b254be7a07315c353b3a3175b74.tar.gz
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 <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>
Diffstat (limited to 'mm/nommu.c')
-rw-r--r--mm/nommu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index 3e67e7538ecf..3fba2dc97c44 100644
--- 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 */