Commit caa7f776 authored Apr 06, 2020 by Andy Shevchenko Committed by Linus Torvalds Apr 07, 2020

lib/test_bitmap.c: make use of EXP2_IN_BITS



Commit 30544ed5 ("lib/bitmap: introduce bitmap_replace() helper")
introduced some new test cases to the test_bitmap.c module.  Among these
it also introduced an (unused) definition.  Let's make use of
EXP2_IN_BITS.

Reported-by: Alex Shi <alex.shi@linux.alibaba.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>
Link: http://lkml.kernel.org/r/20200121151847.75223-1-andriy.shevchenko@linux.intel.com


Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 7e234520

lib/test_bitmap.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -278,6 +278,8 @@ static void __init test_replace(void)
		unsigned int nlongs = DIV_ROUND_UP(nbits, BITS_PER_LONG);
		DECLARE_BITMAP(bmap, 1024);

		BUILD_BUG_ON(EXP2_IN_BITS < nbits * 2);

		bitmap_zero(bmap, 1024);
		bitmap_replace(bmap, &exp2[0 * nlongs], &exp2[1 * nlongs], exp2_to_exp3_mask, nbits);
		expect_eq_bitmap(bmap, exp3_0_1, nbits);

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