Re: hexagon: build error in -next due to 'mm: memcontrol: per-lruvec stats infrastructure'
From: Guenter Roeck
Date: Sat Jun 17 2017 - 11:41:04 EST
[resending; somehow Andrew got lost in my first reply]
On Fri, Jun 16, 2017 at 01:37:21PM -0700, Andrew Morton wrote:
> On Fri, 16 Jun 2017 16:15:23 -0400 Johannes Weiner <hannes@xxxxxxxxxxx> wrote:
>
> > In any case, memcontrol.h doesn't/shouldn't need hardirq.h. When that
> > include is removed, the below patch compiles on: x86 allno, x86_64
> > allno, and my regular x86_64 config:
> >
> > ---
> > Subject: mm-memcontrol-per-lruvec-stats-infrastructure-fix-4
>
> Did you try x86_64 allmodconfig? I'm getting a mess:
>
> In file included from ./include/linux/mm.h:1032,
> from ./include/linux/highmem.h:7,
> from ./include/linux/bio.h:21,
> from ./include/linux/writeback.h:205,
> from ./include/linux/memcontrol.h:28,
> from ./include/linux/swap.h:8,
> from ./include/linux/suspend.h:4,
> from arch/x86/kernel/asm-offsets.c:12:
> ./include/linux/vmstat.h: In function 'lruvec_page_state':
> ./include/linux/vmstat.h:362: error: implicit declaration of function 'mem_cgroup_disabled'
> ./include/linux/vmstat.h:365: error: dereferencing pointer to incomplete type
> ./include/linux/vmstat.h:365: error: type defaults to 'int' in declaration of 'type name'
> ...
>
> Presumably because we have memcontrol.h indirectly including mm.h which
> includes vmstat.h (from a stupid place) and with this patch we have
> vmstat.h including memcontrol.h.
>
How about the following ? Seems to be less invasive, and it fixes the
immediate problem.
Guenter
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