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From: Anshuman Khandual <anshuman.khandual@arm.com>
To: kbuild test robot <lkp@intel.com>
Cc: mark.rutland@arm.com, david@redhat.com, catalin.marinas@arm.com,
	linux-mm@kvack.org, arunks@codeaurora.org,
	cpandya@codeaurora.org, will@kernel.org, ira.weiny@intel.com,
	steven.price@arm.com, valentin.schneider@arm.com,
	suzuki.poulose@arm.com, Robin.Murphy@arm.com, broonie@kernel.org,
	cai@lca.pw, ard.biesheuvel@arm.com, dan.j.williams@intel.com,
	linux-arm-kernel@lists.infradead.org, osalvador@suse.de,
	kbuild-all@lists.01.org, steve.capper@arm.com,
	logang@deltatee.com, linux-kernel@vger.kernel.org,
	akpm@linux-foundation.org, mgorman@techsingularity.net
Subject: Re: [PATCH V11 1/5] mm/hotplug: Introduce arch callback validating the hot remove range
Date: Mon, 13 Jan 2020 09:36:17 +0530	[thread overview]
Message-ID: <bf4362af-2ba0-9099-985a-7b32fdbc6871@arm.com> (raw)
In-Reply-To: <202001112247.k6CzgJBj%lkp@intel.com>



On 01/11/2020 07:41 PM, kbuild test robot wrote:
>    mm/memory_hotplug.c: In function 'check_hotremove_memory_range':
>>> mm/memory_hotplug.c:1027:7: error: implicit declaration of function 'arch_memory_removable'; did you mean 'add_memory_resource'? [-Werror=implicit-function-declaration]
>      rc = arch_memory_removable(start, size);
>           ^~~~~~~~~~~~~~~~~~~~~
>           add_memory_resource
>    At top level:
>    mm/memory_hotplug.c:1017:12: warning: 'check_hotremove_memory_range' defined but not used [-Wunused-function]
>     static int check_hotremove_memory_range(u64 start, u64 size)
>                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>    cc1: some warnings being treated as errors
> 
> vim +1027 mm/memory_hotplug.c
> 
>   1016	
>   1017	static int check_hotremove_memory_range(u64 start, u64 size)
>   1018	{
>   1019		int rc;
>   1020	
>   1021		BUG_ON(check_hotplug_memory_range(start, size));
>   1022	
>   1023		/*
>   1024		 * First check if the platform is willing to have this
>   1025		 * memory range removed else just abort.
>   1026		 */
>> 1027		rc = arch_memory_removable(start, size);
>   1028		if (!rc)
>   1029			return -EINVAL;
>   1030	
>   1031		return 0;
>   1032	}
>   1033	


Both the build failures reported here could be solved by moving
check_hotremove_memory_range() inside CONFIG_MEMORY_HOTREMOVE
wrappers, will fix it.

- Anshuman


  reply	other threads:[~2020-01-13  4:05 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-10  3:09 [PATCH V11 0/5] arm64/mm: Enable memory hot remove Anshuman Khandual
2020-01-10  3:09 ` [PATCH V11 1/5] mm/hotplug: Introduce arch callback validating the hot remove range Anshuman Khandual
2020-01-10  8:42   ` David Hildenbrand
2020-01-13  9:11     ` Anshuman Khandual
2020-01-13  9:14       ` David Hildenbrand
2020-01-13  9:50         ` Anshuman Khandual
2020-01-13 10:37           ` David Hildenbrand
2020-01-14  2:13             ` Anshuman Khandual
2020-01-14 11:09               ` Anshuman Khandual
2020-01-14 12:30                 ` David Hildenbrand
2020-01-11 14:11   ` kbuild test robot
2020-01-13  4:06     ` Anshuman Khandual [this message]
2020-01-11 19:49   ` kbuild test robot
2020-01-10  3:09 ` [PATCH V11 2/5] mm/memblock: Introduce MEMBLOCK_BOOT flag Anshuman Khandual
2020-01-13  7:37   ` Mike Rapoport
2020-01-13  8:43     ` Anshuman Khandual
2020-01-13  8:57       ` David Hildenbrand
2020-01-10  3:09 ` [PATCH V11 3/5] of/fdt: Mark boot memory with MEMBLOCK_BOOT Anshuman Khandual
2020-01-10  3:09 ` [PATCH V11 4/5] arm64/mm: Hold memory hotplug lock while walking for kernel page table dump Anshuman Khandual
2020-01-10  3:09 ` [PATCH V11 5/5] arm64/mm: Enable memory hot remove Anshuman Khandual

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