Re: mmotm 2020-04-26-00-15 uploaded (mm/madvise.c)

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On 4/26/20 12:16 AM, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
> The mm-of-the-moment snapshot 2020-04-26-00-15 has been uploaded to
> 
>    http://www.ozlabs.org/~akpm/mmotm/
> 
> mmotm-readme.txt says
> 
> README for mm-of-the-moment:
> 
> http://www.ozlabs.org/~akpm/mmotm/
> 
> This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> more than once a week.
> 
> You will need quilt to apply these patches to the latest Linus release (5.x
> or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
> http://ozlabs.org/~akpm/mmotm/series
> 
> The file broken-out.tar.gz contains two datestamp files: .DATE and
> .DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
> followed by the base kernel version against which this patch series is to
> be applied.

Hi,
I'm seeing lots of build failures in mm/madvise.c.

Is Minchin's patch only partially applied or is it just missing some pieces?

a.  mm/madvise.c needs to #include <linux/uio.h>

b.  looks like the sys_process_madvise() prototype in <linux/syscalls.h>
has not been updated:

In file included from ../mm/madvise.c:11:0:
../include/linux/syscalls.h:239:18: error: conflicting types for ‘sys_process_madvise’
  asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
                  ^
../include/linux/syscalls.h:225:2: note: in expansion of macro ‘__SYSCALL_DEFINEx’
  __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
  ^~~~~~~~~~~~~~~~~
../include/linux/syscalls.h:219:36: note: in expansion of macro ‘SYSCALL_DEFINEx’
 #define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
                                    ^~~~~~~~~~~~~~~
../mm/madvise.c:1295:1: note: in expansion of macro ‘SYSCALL_DEFINE6’
 SYSCALL_DEFINE6(process_madvise, int, which, pid_t, upid,
 ^~~~~~~~~~~~~~~
In file included from ../mm/madvise.c:11:0:
../include/linux/syscalls.h:880:17: note: previous declaration of ‘sys_process_madvise’ was here
 asmlinkage long sys_process_madvise(int which, pid_t pid, unsigned long start,
                 ^~~~~~~~~~~~~~~~~~~

thanks.
-- 
~Randy




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