From 6ad57f7f2cbf65daced27f023cc99360742a24b9 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Wed, 24 Apr 2019 16:24:11 +0300 Subject: [PATCH] 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 Acked-by: Mel Gorman Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Christoph Hellwig Cc: Dave Hansen Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Matthew Wilcox Cc: Peter Zijlstra Cc: Rik van Riel Cc: Thomas Gleixner 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 --- arch/x86/Kconfig | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 5ad92419be19c..0b91756ed9800 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 -- 2.30.2