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[PATCH] Sparsemem build fix

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From: Ralf Baechle <ralf@linux-mips.org>

<linux/mmzone.h> uses PAGE_SIZE, PAGE_SHIFT from <asm/page.h> without
including that header itself.  For some sparsemem configurations this may
result in build errors like:

  CC      init/initramfs.o
In file included from include/linux/gfp.h:4,
                 from include/linux/slab.h:15,
                 from include/linux/percpu.h:4,
                 from include/linux/rcupdate.h:41,
                 from include/linux/dcache.h:10,
                 from include/linux/fs.h:226,
                 from init/initramfs.c:2:
include/linux/mmzone.h:498:22: warning: "PAGE_SHIFT" is not defined
In file included from include/linux/gfp.h:4,
                 from include/linux/slab.h:15,
                 from include/linux/percpu.h:4,
                 from include/linux/rcupdate.h:41,
                 from include/linux/dcache.h:10,
                 from include/linux/fs.h:226,
                 from init/initramfs.c:2:
include/linux/mmzone.h:526: error: `PAGE_SIZE' undeclared here (not in a function)
include/linux/mmzone.h: In function `__pfn_to_section':
include/linux/mmzone.h:573: error: `PAGE_SHIFT' undeclared (first use in this function)
include/linux/mmzone.h:573: error: (Each undeclared identifier is reported only once
include/linux/mmzone.h:573: error: for each function it appears in.)
include/linux/mmzone.h: In function `pfn_valid':
include/linux/mmzone.h:578: error: `PAGE_SHIFT' undeclared (first use in this function)
make[1]: *** [init/initramfs.o] Error 1
make: *** [init] Error 2

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Seems-reasonable-to: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ralf Baechle 2006-06-04 02:51:29 -07:00 committed by Linus Torvalds
parent 4ae9538dd0
commit 93ff66bf1e
1 changed files with 1 additions and 0 deletions
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include/linux/mmzone.h
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@ -15,6 +15,7 @@
#include <linux/seqlock.h>
#include <linux/nodemask.h>
#include <asm/atomic.h>
#include <asm/page.h>
/* Free memory management - zoned buddy allocator. */
#ifndef CONFIG_FORCE_MAX_ZONEORDER