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Date: Sun, 11 Feb 2018 03:28:53 +0200
From: Igor Stoppa <igor.stoppa@...wei.com>
To: kbuild test robot <lkp@...el.com>
CC: <kbuild-all@...org>, <jglisse@...hat.com>, <keescook@...omium.org>,
	<mhocko@...nel.org>, <labbott@...hat.com>, <hch@...radead.org>,
	<willy@...radead.org>, <cl@...ux.com>,
	<linux-security-module@...r.kernel.org>, <linux-mm@...ck.org>,
	<linux-kernel@...r.kernel.org>, <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH 5/6] Pmalloc: self-test



On 07/02/18 19:18, kbuild test robot wrote:
> Hi Igor,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on kees/for-next/pstore]
> [also build test ERROR on v4.15]
> [cannot apply to linus/master mmotm/master next-20180207]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Igor-Stoppa/mm-security-ro-protection-for-dynamic-data/20180207-171252
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
> config: i386-randconfig-s1-201805+bisect_validate (attached as .config)
> compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=i386 
> 
> All errors (new ones prefixed by >>):
> 
>    mm/pmalloc.o: In function `pmalloc_pool_show_chunks':
>>> mm/pmalloc.c:100: undefined reference to `gen_pool_for_each_chunk'
>    mm/pmalloc.o: In function `pmalloc_pool_show_size':
>>> mm/pmalloc.c:81: undefined reference to `gen_pool_size'
>    mm/pmalloc.o: In function `pmalloc_pool_show_avail':
>>> mm/pmalloc.c:70: undefined reference to `gen_pool_avail'
>    mm/pmalloc.o: In function `pmalloc_chunk_free':
>>> mm/pmalloc.c:459: undefined reference to `gen_pool_flush_chunk'
>    mm/pmalloc.o: In function `pmalloc_create_pool':
>>> mm/pmalloc.c:173: undefined reference to `gen_pool_create'
>>> mm/pmalloc.c:210: undefined reference to `gen_pool_destroy'
>    mm/pmalloc.o: In function `gen_pool_add':
>>> include/linux/genalloc.h:115: undefined reference to `gen_pool_add_virt'
>    mm/pmalloc.o: In function `pmalloc':
>>> mm/pmalloc.c:357: undefined reference to `gen_pool_alloc'
>    mm/pmalloc.o: In function `gen_pool_add':
>>> include/linux/genalloc.h:115: undefined reference to `gen_pool_add_virt'
>    mm/pmalloc.o: In function `pmalloc':
>    mm/pmalloc.c:386: undefined reference to `gen_pool_alloc'
>    mm/pmalloc.o: In function `pmalloc_destroy_pool':
>    mm/pmalloc.c:484: undefined reference to `gen_pool_for_each_chunk'
>    mm/pmalloc.c:485: undefined reference to `gen_pool_destroy'

Wrong default value for the pmalloc Kconfig option, it must default to
true. Will fix it.

--
igor

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