linux-kernel - Re: [PATCH v4 1/4] mm: rename memmap_init() and memmap_init

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Message-ID: <20210121084305.GI20161@MiWiFi-R3L-srv>
Date:   Thu, 21 Jan 2021 16:43:05 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Mike Rapoport <rppt@...nel.org>
Cc:     kernel test robot <lkp@...el.com>, linux-kernel@...r.kernel.org,
        kbuild-all@...ts.01.org, linux-mm@...ck.org,
        akpm@...ux-foundation.org, david@...hat.com
Subject: Re: [PATCH v4 1/4] mm: rename memmap_init() and memmap_init_zone()

On 01/21/21 at 10:25am, Mike Rapoport wrote:
> On Thu, Jan 21, 2021 at 04:17:27PM +0800, Baoquan He wrote:
> > On 01/20/21 at 11:47pm, kernel test robot wrote:
> > > Hi Baoquan,
> > > 
> > > I love your patch! Perhaps something to improve:
> > > 
> > > [auto build test WARNING on linux/master]
> > > [also build test WARNING on linus/master v5.11-rc4 next-20210120]
> > > [cannot apply to mmotm/master hnaz-linux-mm/master ia64/next]
> > > [If your patch is applied to the wrong git tree, kindly drop us a note.
> > > And when submitting patch, we suggest to use '--base' as documented in
> > > https://git-scm.com/docs/git-format-patch]
> > > 
> > > url:    https://github.com/0day-ci/linux/commits/Baoquan-He/mm-clean-up-names-and-parameters-of-memmap_init_xxxx-functions/20210120-135239
> > > base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1e2a199f6ccdc15cf111d68d212e2fd4ce65682e
> > > config: mips-randconfig-r036-20210120 (attached as .config)
> > > compiler: mips-linux-gcc (GCC) 9.3.0
> > > reproduce (this is a W=1 build):
> > >         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> > >         chmod +x ~/bin/make.cross
> > >         # https://github.com/0day-ci/linux/commit/1bbb0b35dd2fae4a7a38098e63899677c2e53108
> > >         git remote add linux-review https://github.com/0day-ci/linux
> > >         git fetch --no-tags linux-review Baoquan-He/mm-clean-up-names-and-parameters-of-memmap_init_xxxx-functions/20210120-135239
> > >         git checkout 1bbb0b35dd2fae4a7a38098e63899677c2e53108
> > >         # save the attached .config to linux build tree
> > >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 
> > > 
> > > If you fix the issue, kindly add following tag as appropriate
> > > Reported-by: kernel test robot <lkp@...el.com>
> > > 
> > > All warnings (new ones prefixed by >>):
> > > 
> > >    mm/page_alloc.c:3597:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes]
> > >     3597 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
> > >          |               ^~~~~~~~~~~~~~~~~~~~~~
> > > >> mm/page_alloc.c:6258:23: warning: no previous prototype for 'memmap_init_zone' [-Wmissing-prototypes]
> > >     6258 | void __meminit __weak memmap_init_zone(unsigned long size, int nid,
> > 
> > This is not introduced by this patch, but existing issue, should
> > be not related to this patchset. I will investigate and see what we
> > should do with memmap_init_zone(), adding static or adding it to header
> > file, or just leave it as should_fail_alloc_page().
> > 
> > 
> > By the way, I tried to reproduce on a fedora 32 system of x86 arch, but
> > met below issue. could you help check what I can do to fix the error.
> > 
> > 
> > [root@...l-per710-01 linux]# COMPILER_INSTALL_PATH=~/0day COMPILER=gcc-9.3.0 ~/bin/make.cross ARCH=mips
> > Compiler will be installed in /root/0day
> > make W=1 CONFIG_OF_ALL_DTBS=y CONFIG_DTC=y CROSS_COMPILE=/root/0day/gcc-9.3.0-nolibc/mips-linux/bin/mips-linux- --jobs=16 ARCH=mips
> >   HOSTCXX scripts/gcc-plugins/latent_entropy_plugin.so
> >   HOSTCXX scripts/gcc-plugins/structleak_plugin.so
> >   HOSTCXX scripts/gcc-plugins/randomize_layout_plugin.so
> > In file included from /root/0day/gcc-9.3.0-nolibc/mips-linux/bin/../lib/gcc/mips-linux/9.3.0/plugin/include/gcc-plugin.h:28,
> >                  from scripts/gcc-plugins/gcc-common.h:7,
> >                  from scripts/gcc-plugins/latent_entropy_plugin.c:78:
> > /root/0day/gcc-9.3.0-nolibc/mips-linux/bin/../lib/gcc/mips-linux/9.3.0/plugin/include/system.h:687:10: fatal error: gmp.h: No such file or directy
> >   687 | #include <gmp.h>
> >       |          ^~~~~~~
> > compilation terminated.
> > make[2]: *** [scripts/gcc-plugins/Makefile:47: scripts/gcc-plugins/latent_entropy_plugin.so] Error 1
> > make[2]: *** Waiting for unfinished jobs..
> 
> Do you have gmp-devel installed?

Ah, I didn't, thanks. Then libmpc-devel is needed. Will continue.