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linux/arch/ia64
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Mike Rapoport 32c2bc8f2d ia64: fix build failure caused by memory model changes 
The change of ia64's default memory model to SPARSEMEM causes defconfig
build to fail:

  CC      kernel/async.o
In file included from include/linux/numa.h:25,
                 from include/linux/async.h:13,
                 from kernel/async.c:47:
arch/ia64/include/asm/sparsemem.h:14:40: warning: "PAGE_SHIFT" is not defined, evaluates to 0 [-Wundef]
   14 | #if ((CONFIG_FORCE_MAX_ZONEORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS)
      |                                        ^~~~~~~~~~
In file included from include/linux/gfp.h:6,
                 from include/linux/xarray.h:14,
                 from include/linux/radix-tree.h:19,
                 from include/linux/idr.h:15,
                 from include/linux/kernfs.h:13,
                 from include/linux/sysfs.h:16,
                 from include/linux/kobject.h:20,
                 from include/linux/energy_model.h:7,
                 from include/linux/device.h:16,
                 from include/linux/async.h:14,
                 from kernel/async.c:47:
include/linux/mmzone.h:1156:2: error: #error Allocator MAX_ORDER exceeds SECTION_SIZE
 1156 | #error Allocator MAX_ORDER exceeds SECTION_SIZE
      |  ^~~~~

The error cause is the missing definition of PAGE_SHIFT in the calculation
of SECTION_SIZE_BITS.

Add include of <asm/page.h> to arch/ia64/include/asm/sparsemem.h to solve
the problem.

Fixes: 214496cb18 ("ia64: make SPARSEMEM default and disable DISCONTIGMEM")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
2021-01-17 13:31:09 +02:00
..
configs ia64: Use libata instead of the legacy ide driver in defconfigs 2020-09-11 09:38:00 -07:00
hp/common dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
include ia64: fix build failure caused by memory model changes 2021-01-17 13:31:09 +02:00
kernel epoll: wire up syscall epoll_pwait2 2020-12-19 11:18:38 -08:00
lib Merge branch 'work.csum_and_copy' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:24:13 -07:00
mm mm: memmap defer init doesn't work as expected 2020-12-29 15:36:49 -08:00
oprofile ia64: Remove perfmon 2020-09-11 09:34:32 -07:00
pci ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
scripts tweewide: Fix most Shebang lines 2020-12-08 23:30:04 +09:00
uv ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
install.sh
Kconfig asm-generic: cross-architecture timer cleanup 2020-12-16 00:07:17 -08:00
Kconfig.debug ia64: remove support for machvecs 2019-08-16 14:32:26 -07:00
Makefile kbuild: preprocess module linker script 2020-09-25 00:36:41 +09:00