On Tue, Apr 23, 2019 at 12:13:54AM -0700, Christoph Hellwig wrote: > On Sun, Apr 21, 2019 at 10:16:04PM +0100, Mel Gorman wrote: > > 32-bit NUMA systems should be non-existent in practice. The last NUMA > > system I'm aware of that was both NUMA and 32-bit only died somewhere > > between 2004 and 2007. If someone is running a 64-bit capable system in > > 32-bit mode with NUMA, they really are just punishing themselves for fun. > > Can we mark it as BROKEN to see if someone shouts and then remove it > a year or two down the road? Or just kill it off now.. How about making SPARSEMEM default for x86-32? >From ac2dc27414e26f799ea063fd1d01e19d70056f43 Mon Sep 17 00:00:00 2001 From: Mike Rapoport <rppt@xxxxxxxxxxxxx> Date: Wed, 24 Apr 2019 14:32:12 +0300 Subject: [PATCH] x86/Kconfig: make SPARSEMEM default for X86_32 Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> --- arch/x86/Kconfig | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 62fc3fd..77b17af 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 @@ -1621,7 +1617,7 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool y - depends on X86_64 + depends on X86_64 || (NUMA && X86_32) config ARCH_SELECT_MEMORY_MODEL def_bool y -- 2.7.4 -- Sincerely yours, Mike.
