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From:   Rasmus Villemoes <linux@rasmusvillemoes.dk>
To:     Andrew Morton <akpm@linux-foundation.org>,
        Yury Norov <ynorov@caviumnetworks.com>
Cc:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        linux-kernel@vger.kernel.org
Subject: [PATCH 1/7] lib/bitmap.c: remove wrong documentation
Date:   Sat, 18 Aug 2018 15:16:17 +0200
Message-Id: <20180818131623.8755-2-linux@rasmusvillemoes.dk>
In-Reply-To: <20180818131623.8755-1-linux@rasmusvillemoes.dk>
References: <20180818131623.8755-1-linux@rasmusvillemoes.dk>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This promise is violated in a number of places, e.g. already in the
second function below this paragraph. Since I don't think anybody relies
on this being true, and since actually honouring it would hurt
performance and code size in various places, just remove the paragraph.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
---
 lib/bitmap.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/lib/bitmap.c b/lib/bitmap.c
index 58f9750e49c6..1f73b2e52186 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -35,11 +35,6 @@
  * carefully filter out these unused bits from impacting their
  * results.
  *
- * These operations actually hold to a slightly stronger rule:
- * if you don't input any bitmaps to these ops that have some
- * unused bits set, then they won't output any set unused bits
- * in output bitmaps.
- *
  * The byte ordering of bitmaps is more natural on little
  * endian architectures.  See the big-endian headers
  * include/asm-ppc64/bitops.h and include/asm-s390/bitops.h
-- 
2.16.4