linux-kernel - Re: [mmotm:master 81/499] WARNING: mm/built-in.o(.text+0x1acc1): Section mismatch in reference from the function reserve_mem_notifier() to the function .meminit.text:init_user

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 10 Apr 2013 16:04:11 -0600
From:	Andrew Shewmaker <agshew@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [mmotm:master 81/499] WARNING: mm/built-in.o(.text+0x1acc1):
 Section mismatch in reference from the function reserve_mem_notifier() to the
 function .meminit.text:init_user_reserve()

On Wed, Apr 10, 2013 at 12:11 AM, kbuild test robot
<fengguang.wu@...el.com> wrote:
> tree:   git://git.cmpxchg.org/linux-mmotm.git master
> head:   47ca352cea8ba679f803387d208c739131ecb38a
> commit: 992357a07ee0697a1997c2960c3f88d02b2f2753 [81/499] mm: reinititalise user and admin reserves if memory is added or removed
> config: x86_64-randconfig-a00-0410 (attached as .config)
>
> All warnings:
>
>>> WARNING: mm/built-in.o(.text+0x1acc1): Section mismatch in reference from the function reserve_mem_notifier() to the function .meminit.text:init_user_reserve()
>    The function reserve_mem_notifier() references
>    the function __meminit init_user_reserve().
>    This is often because reserve_mem_notifier lacks a __meminit
>    annotation or the annotation of init_user_reserve is wrong.
> --
>>> WARNING: mm/built-in.o(.text+0x1acd8): Section mismatch in reference from the function reserve_mem_notifier() to the function .meminit.text:init_admin_reserve()
>    The function reserve_mem_notifier() references
>    the function __meminit init_admin_reserve().
>    This is often because reserve_mem_notifier lacks a __meminit
>    annotation or the annotation of init_admin_reserve is wrong.

Andrew, am I right in thinking that functions annotated with __meminit may
be discarded? If so, then I should drop the annotation from init_user_reserve()
and init_admin_reserve() since the memory notifier uses them to reinitialize
memory, right?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/