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From: Andrew Morton <akpm@linux-foundation.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Guenter Roeck <private@roeck-us.net>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: hexagon: build error in -next due to 'mm: memcontrol: per-lruvec stats infrastructure'
Date: Fri, 16 Jun 2017 13:37:21 -0700	[thread overview]
Message-ID: <20170616133721.0087401e2c00613b5a253b42@linux-foundation.org> (raw)
In-Reply-To: <20170616201523.GA11016@cmpxchg.org>

On Fri, 16 Jun 2017 16:15:23 -0400 Johannes Weiner <hannes@cmpxchg.org> 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.

  reply	other threads:[~2017-06-16 20:37 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-14  7:26 hexagon: build error in -next due to 'mm: memcontrol: per-lruvec stats infrastructure' Guenter Roeck
2017-06-16 18:49 ` Johannes Weiner
2017-06-16 19:14   ` Andrew Morton
2017-06-16 20:15     ` Johannes Weiner
2017-06-16 20:37       ` Andrew Morton [this message]
2017-06-17 18:11       ` mm-memcontrol-per-lruvec-stats-infrastructure-fix-4 kbuild test robot
2017-06-17 18:28       ` mm-memcontrol-per-lruvec-stats-infrastructure-fix-4 kbuild test robot
2017-06-17 15:37 hexagon: build error in -next due to 'mm: memcontrol: per-lruvec stats infrastructure' Guenter Roeck
2017-06-19 15:47 ` Johannes Weiner
2017-06-17 15:40 Guenter Roeck

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