Messages in this thread Patch in this message | | | Date | Thu, 25 Apr 2019 00:32:41 -0700 | From | tip-bot for Mike Rapoport <> | Subject | [tip:x86/mm] x86/Kconfig: Make SPARSEMEM default for 32-bit x86 |
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Commit-ID: 6ad57f7f2cbf65daced27f023cc99360742a24b9 Gitweb: https://git.kernel.org/tip/6ad57f7f2cbf65daced27f023cc99360742a24b9 Author: Mike Rapoport <rppt@linux.ibm.com> AuthorDate: Wed, 24 Apr 2019 16:24:11 +0300 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Thu, 25 Apr 2019 09:02:17 +0200
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> --- arch/x86/Kconfig | 7 +------ 1 file changed, 1 insertion(+), 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
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