The return type of __scanbit() doesn't match the return type of
find_{first,next}_bit(). Thus when you construct something like
this:
boolean ? __scanbit() : find_first_bit()
you get an unsigned long result if "boolean" is true, and a signed
long result if "boolean" is false.
In file included from /home/cel/src/linux/include/linux/mmzone.h:15,
from /home/cel/src/linux/include/linux/gfp.h:4,
from /home/cel/src/linux/include/linux/slab.h:14,
from /home/cel/src/linux/include/linux/percpu.h:5,
from
/home/cel/src/linux/include/linux/rcupdate.h:41,
from /home/cel/src/linux/include/linux/dcache.h:10,
from /home/cel/src/linux/include/linux/fs.h:275,
from /home/cel/src/linux/fs/nfs/sysctl.c:9:
/home/cel/src/linux/include/linux/nodemask.h: In function
‘__first_node’:
/home/cel/src/linux/include/linux/nodemask.h:229: warning: signed and
unsigned type in conditional expression
/home/cel/src/linux/include/linux/nodemask.h: In function
‘__next_node’:
/home/cel/src/linux/include/linux/nodemask.h:235: warning: signed and
unsigned type in conditional expression
/home/cel/src/linux/include/linux/nodemask.h: In function
‘__first_unset_node’:
/home/cel/src/linux/include/linux/nodemask.h:253: warning: signed and
unsigned type in conditional expression
Signed-off-by: Chuck Lever <[EMAIL PROTECTED]>
---
include/asm-x86_64/bitops.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h
index d4dbbe5..1d7d9b4 100644
--- a/include/asm-x86_64/bitops.h
+++ b/include/asm-x86_64/bitops.h
@@ -260,7 +260,7 @@ extern long find_first_bit(const unsigned long * addr,
unsigned long size);
extern long find_next_bit(const unsigned long * addr, long size, long offset);
/* return index of first bet set in val or max when no bit is set */
-static inline unsigned long __scanbit(unsigned long val, unsigned long max)
+static inline long __scanbit(unsigned long val, unsigned long max)
{
asm("bsfq %1,%0 ; cmovz %2,%0" : "=&r" (val) : "r" (val), "r" (max));
return val;
-
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