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module: Make the mod_tree stuff conditional on PERF_EVENTS || TRACING

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Andrew worried about the overhead on small systems; only use the fancy
code when either perf or tracing is enabled.

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Requested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Peter Zijlstra
2015-05-27 11:09:37 +09:30
committed by Rusty Russell
parent 93c2e105f6
commit 6c9692e2d6
3 changed files with 35 additions and 3 deletions
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init/Kconfig
+4
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@@ -1989,6 +1989,10 @@ endchoice
endif # MODULES
config MODULES_TREE_LOOKUP
def_bool y
depends on PERF_EVENTS || TRACING
config INIT_ALL_POSSIBLE
bool
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