[PATCH 07/13] ia64: make SPARSEMEM default and disable DISCONTIGMEM

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From: Mike Rapoport <rppt@xxxxxxxxxxxxx>

SPARSEMEM memory model suitable for systems with large holes in their
phyiscal memory layout. With SPARSEMEM_VMEMMAP enabled it provides
pfn_to_page() and page_to_pfn() as fast as FLATMEM.

Make it the default memory model for IA-64 and disable DISCONTIGMEM which
is considered obsolete for quite some time.

Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
---
 arch/ia64/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 83de0273d474..6e67d6110249 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -288,6 +288,7 @@ config ARCH_SELECT_MEMORY_MODEL
 
 config ARCH_DISCONTIGMEM_ENABLE
 	def_bool y
+	depends on BROKEN
 	help
 	  Say Y to support efficient handling of discontiguous physical memory,
 	  for architectures which are either NUMA (Non-Uniform Memory Access)
@@ -299,12 +300,11 @@ config ARCH_FLATMEM_ENABLE
 
 config ARCH_SPARSEMEM_ENABLE
 	def_bool y
-	depends on ARCH_DISCONTIGMEM_ENABLE
 	select SPARSEMEM_VMEMMAP_ENABLE
 
-config ARCH_DISCONTIGMEM_DEFAULT
+config ARCH_SPARSEMEM_DEFAULT
 	def_bool y
-	depends on ARCH_DISCONTIGMEM_ENABLE
+	depends on ARCH_SPARSEMEM_ENABLE
 
 config NUMA
 	bool "NUMA support"
-- 
2.28.0





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