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authorMike Rapoport <rppt@linux.ibm.com>2019-04-24 16:24:11 +0300
committerIngo Molnar <mingo@kernel.org>2019-04-25 10:02:17 +0300
commit6ad57f7f2cbf65daced27f023cc99360742a24b9 (patch)
tree102ef45b4609b7a759b894761fc3e44103ed9367 /arch/x86/Kconfig
parent392bef709659abea614abfe53cf228e7a59876a4 (diff)
downloadlinux-6ad57f7f2cbf65daced27f023cc99360742a24b9.tar.xz
x86/Kconfig: Make SPARSEMEM default for 32-bit x86
Sparsemem has been a default memory model for x86-64 for over a decade, since: b263295dbffd ("x86: 64-bit, make sparsemem vmemmap the only memory model"). Make it the default for 32-bit NUMA systems (if there any left) as well. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Mel Gorman <mgorman@techsingularity.net> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Christoph Hellwig <hch@infradead.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/1556112252-9339-2-git-send-email-rppt@linux.ibm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig7
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5ad92419be19..0b91756ed980 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1609,10 +1609,6 @@ config ARCH_DISCONTIGMEM_ENABLE
def_bool y
depends on NUMA && X86_32
-config ARCH_DISCONTIGMEM_DEFAULT
- def_bool y
- depends on NUMA && X86_32
-
config ARCH_SPARSEMEM_ENABLE
def_bool y
depends on X86_64 || NUMA || X86_32 || X86_32_NON_STANDARD
@@ -1620,8 +1616,7 @@ config ARCH_SPARSEMEM_ENABLE
select SPARSEMEM_VMEMMAP_ENABLE if X86_64
config ARCH_SPARSEMEM_DEFAULT
- def_bool y
- depends on X86_64
+ def_bool X86_64 || (NUMA && X86_32)
config ARCH_SELECT_MEMORY_MODEL
def_bool y