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x86: Drop obsolete ARCH_BOOTMEM support

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x86 unconditionally uses NO_BOOTMEM so there is no use
of the HAVE_ARCH_BOOTMEM support as mm/bootmem.c is the
only file referencing this symbol.

bootmem_arch_preferred_node() is the function referred
in the mm/bootmem.c code and can thuis be dropped too.

x86 was the sole user of HAVE_ARCH_BOOTMEM - so there is
an opportunity to clean up a little in mm/bootmem.c too
if we do not expect other users to emerge.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/20120406124735.GA6920@merkur.ravnborg.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Sam Ravnborg 2012-04-06 14:47:35 +02:00 committed by Ingo Molnar
parent a6fca40f1d
commit 302616911d
2 changed files with 0 additions and 10 deletions
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4
arch/x86/Kconfig
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@ -1255,10 +1255,6 @@ config NODES_SHIFT
Specify the maximum number of NUMA Nodes available on the target Specify the maximum number of NUMA Nodes available on the target
system. Increases memory reserved to accommodate various tables. system. Increases memory reserved to accommodate various tables.
config HAVE_ARCH_BOOTMEM
def_bool y
depends on X86_32 && NUMA
config HAVE_ARCH_ALLOC_REMAP config HAVE_ARCH_ALLOC_REMAP
def_bool y def_bool y
depends on X86_32 && NUMA depends on X86_32 && NUMA

6
arch/x86/include/asm/mmzone_32.h
View File

@ -61,10 +61,4 @@ static inline int pfn_valid(int pfn)
#endif /* CONFIG_DISCONTIGMEM */ #endif /* CONFIG_DISCONTIGMEM */
#ifdef CONFIG_NEED_MULTIPLE_NODES
/* always use node 0 for bootmem on this numa platform */
#define bootmem_arch_preferred_node(__bdata, size, align, goal, limit) \
(NODE_DATA(0)->bdata)
#endif /* CONFIG_NEED_MULTIPLE_NODES */
#endif /* _ASM_X86_MMZONE_32_H */ #endif /* _ASM_X86_MMZONE_32_H */