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linux/bitmap.h: relax comment on compile-time constant nbits

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It's not clear what's so horrible about emitting a function call to handle
a run-time sized bitmap.  Moreover, gcc also emits a function call for a
compile-time-constant-but-huge nbits, so the comment isn't even accurate.

Link: http://lkml.kernel.org/r/20180818131623.8755-6-linux@rasmusvillemoes.dk
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Yury Norov <ynorov@caviumnetworks.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rasmus Villemoes 2018-10-30 15:05:10 -07:00 • committed by Linus Torvalds
parent d9873969fa
commit 41e7b1661f
1 changed files with 2 additions and 2 deletions
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4
include/linux/bitmap.h
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@ -28,8 +28,8 @@
* The available bitmap operations and their rough meaning in the
* case that the bitmap is a single unsigned long are thus:
*
* Note that nbits should be always a compile time evaluable constant.
* Otherwise many inlines will generate horrible code.
* The generated code is more efficient when nbits is known at
* compile-time and at most BITS_PER_LONG.
*
* ::
*