linux-kernel - Re: [powerpc] Build failure include/linux/compiler_types.h __alloc_size_

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Date:   Thu, 29 Sep 2022 01:17:37 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Sachin Sant <sachinp@...ux.ibm.com>
Cc:     linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>, linux-mm@...ck.org,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [powerpc] Build failure include/linux/compiler_types.h
 __alloc_size__ (next-20220928)

On Thu, Sep 29, 2022 at 11:49:28AM +0530, Sachin Sant wrote:
> Linux-next  6.0.0-rc7-next-20220928 fails to build on powerpc with
> following error:
> 
> make -j 17 -s && make modules_install && make install
> In file included from <command-line>:
> ./include/linux/percpu.h: In function '__alloc_reserved_percpu':
> ././include/linux/compiler_types.h:279:30: error: expected declaration specifiers before '__alloc_size__'
>  #define __alloc_size(x, ...) __alloc_size__(x, ## __VA_ARGS__) __malloc
>                               ^~~~~~~~~~~~~~

Apologies for the breakage! This should be fixed by:

https://lore.kernel.org/lkml/20220929081642.1932200-1-keescook@chromium.org

-- 
Kees Cook