linux-kernel - Re: linux-next: Tree for May 13 (mm/page_alloc.c, <linux/mm.h>: sizeof(struct page))

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Message-ID: <b7ebb44d-5dd7-7941-234b-f727691ed1f4@infradead.org>
Date:   Thu, 13 May 2021 10:29:49 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux MM <linux-mm@...ck.org>
Subject: Re: linux-next: Tree for May 13 (mm/page_alloc.c, <linux/mm.h>:
 sizeof(struct page))

On 5/12/21 10:44 PM, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20210512:
> 

on x86_64:

In function ‘__mm_zero_struct_page.isra.75’,
    inlined from ‘__init_single_page.isra.76’ at ../mm/page_alloc.c:1494:2:
./../include/linux/compiler_types.h:328:38: error: call to ‘__compiletime_assert_162’ declared with attribute error: BUILD_BUG_ON failed: sizeof(struct page) > 80
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                      ^
./../include/linux/compiler_types.h:309:4: note: in definition of macro ‘__compiletime_assert’
    prefix ## suffix();    \
    ^~~~~~
./../include/linux/compiler_types.h:328:2: note: in expansion of macro ‘_compiletime_assert’
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
  ^~~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:39:37: note: in expansion of macro ‘compiletime_assert’
 #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
                                     ^~~~~~~~~~~~~~~~~~
../include/linux/build_bug.h:50:2: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
  ^~~~~~~~~~~~~~~~
../include/linux/mm.h:169:2: note: in expansion of macro ‘BUILD_BUG_ON’
  BUILD_BUG_ON(sizeof(struct page) > 80);
  ^~~~~~~~~~~~


Full randconfig file is attached.

$ gcc --version
gcc (SUSE Linux) 7.5.0


-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>


Download attachment "config-r9309.gz" of type "application/gzip" (25479 bytes)