Commit 0910b444 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Expose "Optimize for size" option for everybody



Let's put my money where my mouth is.  Smaller code is almost always
faster, if only because a single I$ miss ends up leaving a lot of cycles
to make up for.  And system software - kernels in particular - are known
for taking more cache misses than most other kinds.

On my random config, this made the kernel about 10% smaller, and lmbench
seems to say that it's pretty uniformly faster too. Your milage may vary.
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 83bab9a4
......@@ -339,7 +339,7 @@ config EPOLL
support for epoll family of system calls.
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size" if EMBEDDED
bool "Optimize for size"
default y if ARM || H8300
help
Enabling this option will pass "-Os" instead of "-O2" to gcc
......
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