compiler: allow all arches to enable CONFIG_OPTIMIZE_INLINING

[sfrench/cifs-2.6.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d695ec1477f39e86f7c6c74bf7f1021a6776879c..d5411a7484f63432d98431b1cd33c08bd84c6df0 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -318,6 +318,20 @@ config HEADERS_CHECK
          exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in
          your build tree), to make sure they're suitable.
 
+config OPTIMIZE_INLINING
+       bool "Allow compiler to uninline functions marked 'inline'"
+       help
+         This option determines if the kernel forces gcc to inline the functions
+         developers have marked 'inline'. Doing so takes away freedom from gcc to
+         do what it thinks is best, which is desirable for the gcc 3.x series of
+         compilers. The gcc 4.x series have a rewritten inlining algorithm and
+         enabling this option will generate a smaller kernel there. Hopefully
+         this algorithm is so good that allowing gcc 4.x and above to make the
+         decision will become the default in the future. Until then this option
+         is there to test gcc for this.
+
+         If unsure, say N.
+
 config DEBUG_SECTION_MISMATCH
        bool "Enable full Section mismatch analysis"
        help