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Date: Thu, 19 Nov 2015 10:31:51 +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 0/3] Improve bitmap_empty and bitmap_full find_fisrt_{zero_}bit are too heavy for bitmap_{full,empty}. We don't need to calculate and compare the position of bitmap. This set of patch instroduces lightweight api and replaces the heavy one. Jia He (3): linux/bitmap: Move 2 mask macro from bitmap.h to bitops.h lib: Introduce 2 find bit api: all_is_bit_{one,zero} linux/bitmap: Replace find_fisrt_{zero_}bit with the new lightweight api include/asm-generic/bitops/find.h | 3 +++ include/linux/bitmap.h | 7 ++---- include/linux/bitops.h | 4 ++++ lib/find_bit.c | 50 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 59 insertions(+), 5 deletions(-) -- 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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