Hi! On Mon, 2012-09-10 at 21:14 +0800, Fengguang Wu wrote: > To avoid name conflicts: > > drivers/video/riva/fbdev.c:281:9: sparse: preprocessor token MAX_LEVEL redefined > > Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx> > --- > > Andrew: the conflict happens in Glauber's kmemcg-slab tree. So it's > better to quickly push this pre-fix to upstream before Glauber's patches. > > > include/linux/idr.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > --- linux.orig/include/linux/idr.h 2012-09-10 21:08:51.177452944 +0800 > +++ linux/include/linux/idr.h 2012-09-10 21:08:57.729452732 +0800 > @@ -43,10 +43,10 @@ > #define MAX_ID_MASK (MAX_ID_BIT - 1) > > /* Leave the possibility of an incomplete final layer */ > -#define MAX_LEVEL (MAX_ID_SHIFT + IDR_BITS - 1) / IDR_BITS > +#define MAX_ID_LEVEL (MAX_ID_SHIFT + IDR_BITS - 1) / IDR_BITS And while you are it: Please add '(' and ')' around it as in #define MAX_ID_LEVEL ((MAX_ID_SHIFT + IDR_BITS - 1) / IDR_BITS) > /* Number of id_layer structs to leave in free list */ > -#define IDR_FREE_MAX MAX_LEVEL + MAX_LEVEL > +#define IDR_FREE_MAX MAX_ID_LEVEL + MAX_ID_LEVEL #define IDR_FREE_MAX (MAX_ID_LEVEL + MAX_ID_LEVEL) For starters (sleeping in "cpp-101";-): People may use it as in "IDR_FREE_MAX * 2". And I didn't look into that file - that should be changed everywhere in that way. Bernd -- Bernd Petrovitsch Email : bernd@xxxxxxxxxxxxxxxxxxx LUGA : http://www.luga.at -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>