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Commit b8a543ea authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

sched: Reduce forkexec_idx 



If we're looking to place a new task, we might as well find the
idlest position _now_, not 1 tick ago.

Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0ec9fab3

arch/ia64/include/asm/topology.h

+2 −2
Original line number Diff line number Diff line
@@ -63,7 +63,7 @@ void build_cpu_to_node_map(void); 
	.idle_idx		= 1,			\

	.newidle_idx		= 0,			\

	.wake_idx		= 0,			\

	.forkexec_idx		= 1,			\

	.forkexec_idx		= 0,			\

	.flags			= SD_LOAD_BALANCE	\

				| SD_BALANCE_NEWIDLE	\

				| SD_BALANCE_EXEC	\
@@ -89,7 +89,7 @@ void build_cpu_to_node_map(void); 
	.idle_idx		= 2,			\

	.newidle_idx		= 0,			\

	.wake_idx		= 0,			\

	.forkexec_idx		= 1,			\

	.forkexec_idx		= 0,			\

	.flags			= SD_LOAD_BALANCE	\

				| SD_BALANCE_NEWIDLE	\

				| SD_BALANCE_EXEC	\

arch/sh/include/asm/topology.h

+1 −1
Original line number Diff line number Diff line
@@ -17,7 +17,7 @@ 
	.idle_idx		= 2,			\

	.newidle_idx		= 0,			\

	.wake_idx		= 0,			\

	.forkexec_idx		= 1,			\

	.forkexec_idx		= 0,			\

	.flags			= SD_LOAD_BALANCE	\

				| SD_BALANCE_FORK	\

				| SD_BALANCE_EXEC	\

arch/sparc/include/asm/topology_64.h

+1 −1
Original line number Diff line number Diff line
@@ -53,7 +53,7 @@ static inline int pcibus_to_node(struct pci_bus *pbus) 
	.idle_idx		= 2,			\

	.newidle_idx		= 0, 			\

	.wake_idx		= 0,			\

	.forkexec_idx		= 1,			\

	.forkexec_idx		= 0,			\

	.flags			= SD_LOAD_BALANCE	\

				| SD_BALANCE_FORK	\

				| SD_BALANCE_EXEC	\

arch/x86/include/asm/topology.h

+1 −3
Original line number Diff line number Diff line
@@ -116,13 +116,11 @@ extern unsigned long node_remap_size[]; 


# define SD_CACHE_NICE_TRIES	1

# define SD_IDLE_IDX		1

# define SD_FORKEXEC_IDX	0



#else



# define SD_CACHE_NICE_TRIES	2

# define SD_IDLE_IDX		2

# define SD_FORKEXEC_IDX	1



#endif
@@ -137,7 +135,7 @@ extern unsigned long node_remap_size[]; 
	.idle_idx		= SD_IDLE_IDX,				\

	.newidle_idx		= 0,					\

	.wake_idx		= 0,					\

	.forkexec_idx		= SD_FORKEXEC_IDX,			\

	.forkexec_idx		= 0,					\

									\

	.flags			= 1*SD_LOAD_BALANCE			\

				| 1*SD_BALANCE_NEWIDLE			\

include/linux/topology.h

+2 −2
Original line number Diff line number Diff line
@@ -121,7 +121,7 @@ int arch_update_cpu_topology(void); 
	.cache_nice_tries	= 1,					\

	.busy_idx		= 2,					\

	.wake_idx		= 0,					\

	.forkexec_idx		= 1,					\

	.forkexec_idx		= 0,					\

									\

	.flags			= 1*SD_LOAD_BALANCE			\

				| 1*SD_BALANCE_NEWIDLE			\
@@ -153,7 +153,7 @@ int arch_update_cpu_topology(void); 
	.idle_idx		= 1,					\

	.newidle_idx		= 0,					\

	.wake_idx		= 0,					\

	.forkexec_idx		= 1,					\

	.forkexec_idx		= 0,					\

									\

	.flags			= 1*SD_LOAD_BALANCE			\

				| 1*SD_BALANCE_NEWIDLE			\