From: Andrew Morton <akpm@linux-foundation.org>
To: kbuild test robot <lkp@intel.com>
Cc: Mike Rapoport <rppt@kernel.org>,
kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>
Subject: Re: [linux-next:master 9340/10701] arch/arc/mm/init.c:80:6: warning: no previous prototype for 'arch_has_descending_max_zone_pfns'
Date: Tue, 19 May 2020 17:08:00 -0700 [thread overview]
Message-ID: <20200519170800.cd2519210f476141e9573375@linux-foundation.org> (raw)
In-Reply-To: <202005200351.ALIftL4S%lkp@intel.com>
On Wed, 20 May 2020 03:43:55 +0800 kbuild test robot <lkp@intel.com> wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head: fb57b1fabcb28f358901b2df90abd2b48abc1ca8
> commit: aa3238a152d1646868ac81bee4eee08ba39594de [9340/10701] mm: free_area_init: allow defining max_zone_pfn in descending order
> config: arc-randconfig-r011-20200519 (attached as .config)
> compiler: arc-elf-gcc (GCC) 9.3.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout aa3238a152d1646868ac81bee4eee08ba39594de
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>, old ones prefixed by <<):
>
> arch/arc/mm/init.c:39:13: warning: no previous prototype for 'arc_get_mem_sz' [-Wmissing-prototypes]
> 39 | long __init arc_get_mem_sz(void)
> | ^~~~~~~~~~~~~~
> >> arch/arc/mm/init.c:80:6: warning: no previous prototype for 'arch_has_descending_max_zone_pfns' [-Wmissing-prototypes]
> 80 | bool arch_has_descending_max_zone_pfns(void)
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> arch/arc/mm/init.c:91:13: warning: no previous prototype for 'setup_arch_memory' [-Wmissing-prototypes]
Thanks. This should do it:
--- a/include/linux/mm.h~mm-free_area_init-allow-defining-max_zone_pfn-in-descending-order-fix-2-fix
+++ a/include/linux/mm.h
@@ -2464,6 +2464,7 @@ extern void setup_per_cpu_pageset(void);
extern int min_free_kbytes;
extern int watermark_boost_factor;
extern int watermark_scale_factor;
+extern bool arch_has_descending_max_zone_pfns(void);
/* nommu.c */
extern atomic_long_t mmap_pages_allocated;
_
prev parent reply other threads:[~2020-05-20 0:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 19:43 [linux-next:master 9340/10701] arch/arc/mm/init.c:80:6: warning: no previous prototype for 'arch_has_descending_max_zone_pfns' kbuild test robot
2020-05-20 0:08 ` Andrew Morton [this message]
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