[next:master 103/113] include/linux/blkdev.h:25:29: fatal error: asm/scatterlist.h: No such file or directory

[next:master 103/113] include/linux/blkdev.h:25:29: fatal error: asm/scatterlist.h: No such file or directory

[kbuild test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   2db08cc65391d73dc8cbcaefdb55c42a774d9e1a
commit: ff35bd54456e18878c361a8a2deeb41c9688458f [103/113] lib/scatterlist: make ARCH_HAS_SG_CHAIN an actual Kconfig
config: make ARCH=um SUBARCH=i386 defconfig

All error/warnings:

   In file included from init/main.c:75:0:
>> include/linux/blkdev.h:25:29: fatal error: asm/scatterlist.h: No such file or directory
    #include <asm/scatterlist.h>
                                ^
   compilation terminated.
--
   In file included from mm/page_io.c:19:0:
   include/linux/swapops.h: In function 'is_swap_pte':
   include/linux/swapops.h:57:2: error: implicit declaration of function 'pte_present_nonuma' [-Werror=implicit-function-declaration]
     return !pte_none(pte) && !pte_present_nonuma(pte) && !pte_file(pte);
     ^
   In file included from mm/page_io.c:24:0:
   include/linux/blkdev.h: At top level:
>> include/linux/blkdev.h:25:29: fatal error: asm/scatterlist.h: No such file or directory
    #include <asm/scatterlist.h>
                                ^
   cc1: some warnings being treated as errors
   compilation terminated.

vim +25 include/linux/blkdev.h

^1da177e Linus Torvalds    2005-04-16   9  #include <linux/genhd.h>
^1da177e Linus Torvalds    2005-04-16  10  #include <linux/list.h>
320ae51f Jens Axboe        2013-10-24  11  #include <linux/llist.h>
^1da177e Linus Torvalds    2005-04-16  12  #include <linux/timer.h>
^1da177e Linus Torvalds    2005-04-16  13  #include <linux/workqueue.h>
^1da177e Linus Torvalds    2005-04-16  14  #include <linux/pagemap.h>
^1da177e Linus Torvalds    2005-04-16  15  #include <linux/backing-dev.h>
^1da177e Linus Torvalds    2005-04-16  16  #include <linux/wait.h>
^1da177e Linus Torvalds    2005-04-16  17  #include <linux/mempool.h>
^1da177e Linus Torvalds    2005-04-16  18  #include <linux/bio.h>
^1da177e Linus Torvalds    2005-04-16  19  #include <linux/stringify.h>
3e6053d7 Hugh Dickins      2008-09-11  20  #include <linux/gfp.h>
d351af01 FUJITA Tomonori   2007-07-09  21  #include <linux/bsg.h>
c7c22e4d Jens Axboe        2008-09-13  22  #include <linux/smp.h>
548bc8e1 Tejun Heo         2013-01-09  23  #include <linux/rcupdate.h>
^1da177e Linus Torvalds    2005-04-16  24  
^1da177e Linus Torvalds    2005-04-16 @25  #include <asm/scatterlist.h>
^1da177e Linus Torvalds    2005-04-16  26  
de477254 Paul Gortmaker    2011-05-26  27  struct module;
21b2f0c8 Christoph Hellwig 2006-03-22  28  struct scsi_ioctl_command;
21b2f0c8 Christoph Hellwig 2006-03-22  29  
^1da177e Linus Torvalds    2005-04-16  30  struct request_queue;
^1da177e Linus Torvalds    2005-04-16  31  struct elevator_queue;
^1da177e Linus Torvalds    2005-04-16  32  struct request_pm_state;
2056a782 Jens Axboe        2006-03-23  33  struct blk_trace;

:::::: The code at line 25 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

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Re: [next:master 103/113] include/linux/blkdev.h:25:29: fatal error: asm/scatterlist.h: No such file or directory

[Laura Abbott]

On 4/15/2014 11:59 PM, kbuild test robot wrote:
>    In file included from init/main.c:75:0:
>>> >> include/linux/blkdev.h:25:29: fatal error: asm/scatterlist.h: No such file or directory
>     #include <asm/scatterlist.h>
>                                 ^
>    compilation terminated.

The following patch fixes the compile breakage. For my own knowledge, why did this break in
this particular way?

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