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Date: Thu, 19 Nov 2015 10:31:52 +0800 From: Jia He <hejianet@...il.com> To: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org Cc: Andrew Morton <akpm@...ux-foundation.org>, Rasmus Villemoes <linux@...musvillemoes.dk>, Denys Vlasenko <dvlasenk@...hat.com>, Kyungmin Park <kyungmin.park@...sung.com>, Michal Nazarewicz <mina86@...a86.com>, Yury Norov <yury.norov@...il.com>, Tejun Heo <tj@...nel.org>, Martin Kepplinger <martink@...teo.de>, George Spelvin <linux@...izon.com>, Ingo Molnar <mingo@...nel.org>, Arnd Bergmann <arnd@...db.de>, Jia He <hejianet@...il.com> Subject: [PATCH 1/3] linux/bitmap: Move 2 mask macro to bitops.h This patch moves the mask macro to bitops.h and then the new introduced api in find_bit.c can use it. Signed-off-by: Jia He <hejianet@...il.com> --- include/linux/bitmap.h | 3 --- include/linux/bitops.h | 4 ++++ 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 9653fdb..15524f6 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -172,9 +172,6 @@ extern unsigned int bitmap_ord_to_pos(const unsigned long *bitmap, unsigned int extern int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, int nmaskbits); -#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) -#define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) - #define small_const_nbits(nbits) \ (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 2b8ed12..b881028 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -24,6 +24,10 @@ #define GENMASK_ULL(h, l) \ (((~0ULL) << (l)) & (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h)))) +/* For bitmap ops*/ +#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) +#define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) + extern unsigned int __sw_hweight8(unsigned int w); extern unsigned int __sw_hweight16(unsigned int w); extern unsigned int __sw_hweight32(unsigned int w); -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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