Messages in this thread | | | Date | Mon, 19 Jun 2017 11:47:17 -0400 | From | Johannes Weiner <> | Subject | Re: hexagon: build error in -next due to 'mm: memcontrol: per-lruvec stats infrastructure' |
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On Sat, Jun 17, 2017 at 08:37:21AM -0700, Guenter Roeck wrote: > On Fri, Jun 16, 2017 at 01:37:21PM -0700, wrote: > > 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. > > > > How about the following ? Seems to be less invasive, and it fixes the > immediate problem. > > Guenter > > --- > From 3aa278a36b5f71ff64b28e0cea05182fbcaa72e6 Mon Sep 17 00:00:00 2001 > From: Guenter Roeck <linux@roeck-us.net> > Date: Sat, 17 Jun 2017 08:15:57 -0700 > Subject: [PATCH] hexagon: Fix build error caused by include file order > > hexagon builds fail with the following error message. > In file included from ./include/linux/memcontrol.h:30:0, > from ./include/linux/swap.h:8, > from ./arch/hexagon/include/asm/pgtable.h:27, > from ./include/linux/mm.h:70, > from arch/hexagon/kernel/asm-offsets.c:28: > ./include/linux/vmstat.h: In function '__inc_zone_page_state': > ./include/linux/vmstat.h:294:2: error: > implicit declaration of function 'page_zone' > > Drop unnecessary includes from header files and add missing > includes to source files to fix the problem. > > Cc: Johannes Weiner <hannes@cmpxchg.org> > Cc: Andrew Morton <akpm@linux-foundation.org> > Fixes: fb6646f52c45 ("mm: memcontrol: per-lruvec stats infrastructure") > Signed-off-by: Guenter Roeck <linux@roeck-us.net>
If they're not needed, all the better. Thanks!
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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