From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: + lib-test_bitmap-make-use-of-exp2_in_bits.patch added to -mm tree Date: Mon, 24 Feb 2020 15:43:06 -0800 Message-ID: <20200224234306.n3kt7wl7t%akpm@linux-foundation.org> References: <20200203173311.6269a8be06a05e5a4aa08a93@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:60344 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727081AbgBXXnI (ORCPT ); Mon, 24 Feb 2020 18:43:08 -0500 In-Reply-To: <20200203173311.6269a8be06a05e5a4aa08a93@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: alex.shi@linux.alibaba.com, andriy.shevchenko@linux.intel.com, mm-commits@vger.kernel.org The patch titled Subject: lib/test_bitmap.c: make use of EXP2_IN_BITS has been added to the -mm tree. Its filename is lib-test_bitmap-make-use-of-exp2_in_bits.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/lib-test_bitmap-make-use-of-exp2_in_bits.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/lib-test_bitmap-make-use-of-exp2_in_bits.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Andy Shevchenko Subject: lib/test_bitmap.c: make use of EXP2_IN_BITS Commit 30544ed5de43 ("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. Link: http://lkml.kernel.org/r/20200121151847.75223-1-andriy.shevchenko@linux.intel.com Signed-off-by: Andy Shevchenko Reported-by: Alex Shi Reviewed-by: Alex Shi Signed-off-by: Andrew Morton --- lib/test_bitmap.c | 2 ++ 1 file changed, 2 insertions(+) --- a/lib/test_bitmap.c~lib-test_bitmap-make-use-of-exp2_in_bits +++ a/lib/test_bitmap.c @@ -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); _ Patches currently in -mm which might be from andriy.shevchenko@linux.intel.com are lib-test_bitmap-make-use-of-exp2_in_bits.patch