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authorValdis Kletnieks <Valdis.Kletnieks@vt.edu>2016-08-02 14:07:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-02 19:35:43 -0400
commitf1cb637e75b59a07450cf81ad68b04f3f46b03d7 (patch)
tree1ac0054b43b834f8db99ab17ba0e5a294d3fce48 /init/Kconfig
parent27eb6622ab67bad75814c9b7b08096cfb16be63a (diff)
downloadlinux-f1cb637e75b59a07450cf81ad68b04f3f46b03d7.tar.bz2
init/Kconfig: add clarification for out-of-tree modules
It doesn't trim just symbols that are totally unused in-tree - it trims the symbols unused by any in-tree modules actually built. If you've done a 'make localmodconfig' and only build a hundred or so modules, it's pretty likely that your out-of-tree module will come up lacking something... Hopefully this will save the next guy from a Homer Simpson "D'oh!" moment. Link: http://lkml.kernel.org/r/10177.1469787292@turing-police.cc.vt.edu Signed-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Cc: Michal Marek <mmarek@suse.cz> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init/Kconfig')
-rw-r--r--init/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 380798f86aae..69886493ff1e 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -2080,7 +2080,7 @@ config TRIM_UNUSED_KSYMS
(especially when using LTO) for optimizing the code and reducing
binary size. This might have some security advantages as well.
- If unsure say N.
+ If unsure, or if you need to build out-of-tree modules, say N.
endif # MODULES