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Message-ID: <20201029110820.GH4077@smile.fi.intel.com> Date: Thu, 29 Oct 2020 13:08:20 +0200 From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> To: Stephen Rothwell <sfr@...b.auug.org.au> Cc: Andrew Morton <akpm@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Next Mailing List <linux-next@...r.kernel.org> Subject: Re: linux-next: build failure after merge of the akpm-current tree On Thu, Oct 29, 2020 at 03:08:09PM +1100, Stephen Rothwell wrote: > After merging the akpm-current tree, today's linux-next build (powerpc > ppc64_defconfig) failed like this: > > lib/math/div64.c: In function 'mul_u64_u64_div_u64': > lib/math/div64.c:202:6: error: implicit declaration of function 'ilog2' [-Werror=implicit-function-declaration] > 202 | if (ilog2(a) + ilog2(b) > 62) { > | ^~~~~ > > Caused by commit > > 4ec993a18ff6 ("kernel.h: Split out mathematical helpers") > > I have applied the following patch for today: Right, thanks! It seems x86 has this inclusion somewhere else and my patch reveals this on PPC which has cleaner inclusion chain. Andrew, can you attach this fix to your tree? -- With Best Regards, Andy Shevchenko
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