linux-kernel - Re: linux-next: Tree for Apr 14 (mm/shmem.c)

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Message-ID: <200c608a-8159-18ce-b44e-cad2022e23e2@infradead.org>
Date:   Tue, 14 Apr 2020 07:18:01 -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>,
        Linux MM <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: linux-next: Tree for Apr 14 (mm/shmem.c)

On 4/13/20 7:39 PM, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20200413:
> 
> New tree: mhi
> 
> My fixes tree contains:
> 
>   6b038bdcd3d1 sh: mm: Fix build error
> 
> Non-merge commits (relative to Linus' tree): 1154
>  1160 files changed, 31764 insertions(+), 13498 deletions(-)
> 
> ----------------------------------------------------------------------------

on x86_64:
# CONFIG_TRANSPARENT_HUGEPAGE is not set

In file included from ../include/linux/export.h:43:0,
                 from ../include/linux/linkage.h:7,
                 from ../include/linux/fs.h:5,
                 from ../mm/shmem.c:24:
../mm/shmem.c: In function ‘shmem_undo_range’:
../include/linux/compiler.h:394:38: error: call to ‘__compiletime_assert_110’ declared with attribute error: BUILD_BUG failed
  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
                                      ^
../include/linux/compiler.h:69:3: note: in definition of macro ‘__trace_if_value’
  (cond) ?     \
   ^~~~
../include/linux/compiler.h:56:28: note: in expansion of macro ‘__trace_if_var’
 #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
                            ^~~~~~~~~~~~~~
../mm/shmem.c:960:6: note: in expansion of macro ‘if’
      if (index <
      ^~
../include/linux/kernel.h:71:36: note: in expansion of macro ‘__round_mask’
 #define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
                                    ^~~~~~~~~~~~
../mm/shmem.c:961:10: note: in expansion of macro ‘round_up’
          round_up(start, HPAGE_PMD_NR))
          ^~~~~~~~
../include/linux/compiler.h:382:2: note: in expansion of macro ‘__compiletime_assert’
  __compiletime_assert(condition, msg, prefix, suffix)
  ^~~~~~~~~~~~~~~~~~~~
../include/linux/compiler.h:394:2: 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:59:21: note: in expansion of macro ‘BUILD_BUG_ON_MSG’
 #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed")
                     ^~~~~~~~~~~~~~~~
../include/linux/huge_mm.h:319:28: note: in expansion of macro ‘BUILD_BUG’
 #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; })
                            ^~~~~~~~~
../include/linux/huge_mm.h:115:26: note: in expansion of macro ‘HPAGE_PMD_SHIFT’
 #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT)
                          ^~~~~~~~~~~~~~~
../include/linux/huge_mm.h:116:26: note: in expansion of macro ‘HPAGE_PMD_ORDER’
 #define HPAGE_PMD_NR (1<<HPAGE_PMD_ORDER)
                          ^~~~~~~~~~~~~~~
../mm/shmem.c:961:26: note: in expansion of macro ‘HPAGE_PMD_NR’
          round_up(start, HPAGE_PMD_NR))
                          ^~~~~~~~~~~~


Full randconfig file is attached.


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

View attachment "config-r2090" of type "text/plain" (99411 bytes)