On Tue, May 02 2017, Wei Yang wrote: > Hi, masters > > Not sure this one is acceptable?
You'd have better luck getting a response if you post things like this to akpm - he tends to collect miscellaneous bits and pieces. I don't think the patch makes more that a tiny improvement and I wouldn't bother with it, but maybe Andrew will. NeilBrown > > On Sat, Mar 18, 2017 at 08:37:43AM +0800, Wei Yang wrote: >>The second parameter is the number of bits for type "long", which is >>already defined in header file. >> >>This patch replace the calculation with macro to make it more readable. >> >>Signed-off-by: Wei Yang <richard.weiy...@gmail.com> >>--- >> include/linux/bitops.h | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >>diff --git a/include/linux/bitops.h b/include/linux/bitops.h >>index a83c822c35c2..923fe72d31e3 100644 >>--- a/include/linux/bitops.h >>+++ b/include/linux/bitops.h >>@@ -10,7 +10,7 @@ >> #define BIT_ULL_MASK(nr) (1ULL << ((nr) % BITS_PER_LONG_LONG)) >> #define BIT_ULL_WORD(nr) ((nr) / BITS_PER_LONG_LONG) >> #define BITS_PER_BYTE 8 >>-#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) >>+#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_LONG) >> #endif >> >> /* >>-- >>2.11.0 > > -- > Wei Yang > Help you, Help me
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