For some reason, only the little-endian flavor of
powerpc provided the zero_bytemask() implementation.
Reported-by: Michal Sojka <sojk...@fel.cvut.cz>
Signed-off-by: Chris Metcalf <cmetc...@ezchip.com>
---
arch/powerpc/include/asm/word-at-a-time.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/powerpc/include/asm/word-at-a-time.h
b/arch/powerpc/include/asm/word-at-a-time.h
index 5b3a903adae6..e4396a7d0f7c 100644
--- a/arch/powerpc/include/asm/word-at-a-time.h
+++ b/arch/powerpc/include/asm/word-at-a-time.h
@@ -40,6 +40,11 @@ static inline bool has_zero(unsigned long val, unsigned long
*data, const struct
return (val + c->high_bits) & ~rhs;
}
+static inline unsigned long zero_bytemask(unsigned long mask)
+{
+ return ~1ul << __fls(mask);
+}
+
#else
#ifdef CONFIG_64BIT
--
2.1.2
--
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