add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/init/Kconfig
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@@ -47,6 +47,18 @@
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 	int
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 	default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
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+config AS_IS_GNU
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+	def_bool $(success,test "$(as-name)" = GNU)
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+
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+config AS_IS_LLVM
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+	def_bool $(success,test "$(as-name)" = LLVM)
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+
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+config AS_VERSION
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+	int
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+	# Use clang version if this is the integrated assembler
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+	default CLANG_VERSION if AS_IS_LLVM
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+	default $(as-version)
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+
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 config LLD_VERSION
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 	int
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 	default $(shell,$(srctree)/scripts/lld-version.sh $(LD))
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@@ -880,7 +892,7 @@
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 	bool "Memory placement aware NUMA scheduler"
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 	depends on ARCH_SUPPORTS_NUMA_BALANCING
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 	depends on !ARCH_WANT_NUMA_VARIABLE_LOCALITY
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-	depends on SMP && NUMA && MIGRATION && !PREEMPT_RT
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+	depends on SMP && NUMA && MIGRATION
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 	help
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 	  This option adds support for automatic NUMA aware memory/task placement.
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 	  The mechanism is quite primitive and is based on migrating memory when
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@@ -987,7 +999,6 @@
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 config RT_GROUP_SCHED
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 	bool "Group scheduling for SCHED_RR/FIFO"
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 	depends on CGROUP_SCHED
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-	depends on !PREEMPT_RT
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 	default n
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 	help
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 	  This feature lets you explicitly allocate real CPU bandwidth
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@@ -1961,7 +1972,6 @@
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 config SLAB
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 	bool "SLAB"
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-	depends on !PREEMPT_RT
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 	select HAVE_HARDENED_USERCOPY_ALLOCATOR
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 	help
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 	  The regular slab allocator that is established and known to work
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@@ -1982,7 +1992,6 @@
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 config SLOB
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 	depends on EXPERT
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 	bool "SLOB (Simple Allocator)"
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-	depends on !PREEMPT_RT
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 	help
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 	   SLOB replaces the stock allocator with a drastically simpler
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 	   allocator. SLOB is generally more space efficient but
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@@ -2049,7 +2058,7 @@
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 config SLUB_CPU_PARTIAL
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 	default y
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-	depends on SLUB && SMP && !PREEMPT_RT
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+	depends on SLUB && SMP
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 	bool "SLUB per cpu partial cache"
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 	help
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 	  Per cpu partial caches accelerate objects allocation and freeing