On Tue, Nov 12, 2019 at 02:27:55AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.4.y > head: 56cfa226aa2348915cd4ced0b72542dc35ca2467 > commit: df82285ab4b974f2040f31dbabdd11e055a282c2 [9983/9999] mm, meminit: recalculate pcpu batch and high limits after init completes > config: i386-defconfig (attached as .config) > compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 > reproduce: > git checkout df82285ab4b974f2040f31dbabdd11e055a282c2 > # save the attached .config to linux build tree > make ARCH=i386 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > mm/page_alloc.c: In function 'drain_all_pages': > >> mm/page_alloc.c:2024:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] > static cpumask_t cpus_with_pcps; > ^~~~~~ > Greg, It's probably best to drop this patch from 4.4-stable for now. while in theory the 4.4 kernel is affected, it hasn't been proven and the backport was not properly evaluated in terms of correctness. -- Mel Gorman SUSE Labs
