diff options
-rw-r--r-- | init/Kconfig | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/init/Kconfig b/init/Kconfig index be74adb389ea..6c5dbedc6e96 100644 --- a/init/Kconfig +++ b/init/Kconfig | |||
@@ -256,6 +256,20 @@ config CPUSETS | |||
256 | 256 | ||
257 | source "usr/Kconfig" | 257 | source "usr/Kconfig" |
258 | 258 | ||
259 | config CC_OPTIMIZE_FOR_SIZE | ||
260 | bool "Optimize for size (Look out for broken compilers!)" | ||
261 | default y | ||
262 | depends on ARM || H8300 || EXPERIMENTAL | ||
263 | depends on !SPARC64 | ||
264 | help | ||
265 | Enabling this option will pass "-Os" instead of "-O2" to gcc | ||
266 | resulting in a smaller kernel. | ||
267 | |||
268 | WARNING: some versions of gcc may generate incorrect code with this | ||
269 | option. If problems are observed, a gcc upgrade may be needed. | ||
270 | |||
271 | If unsure, say N. | ||
272 | |||
259 | menuconfig EMBEDDED | 273 | menuconfig EMBEDDED |
260 | bool "Configure standard kernel features (for small systems)" | 274 | bool "Configure standard kernel features (for small systems)" |
261 | help | 275 | help |
@@ -338,18 +352,6 @@ config EPOLL | |||
338 | Disabling this option will cause the kernel to be built without | 352 | Disabling this option will cause the kernel to be built without |
339 | support for epoll family of system calls. | 353 | support for epoll family of system calls. |
340 | 354 | ||
341 | config CC_OPTIMIZE_FOR_SIZE | ||
342 | bool "Optimize for size" | ||
343 | default y if ARM || H8300 | ||
344 | help | ||
345 | Enabling this option will pass "-Os" instead of "-O2" to gcc | ||
346 | resulting in a smaller kernel. | ||
347 | |||
348 | WARNING: some versions of gcc may generate incorrect code with this | ||
349 | option. If problems are observed, a gcc upgrade may be needed. | ||
350 | |||
351 | If unsure, say N. | ||
352 | |||
353 | config SHMEM | 355 | config SHMEM |
354 | bool "Use full shmem filesystem" if EMBEDDED | 356 | bool "Use full shmem filesystem" if EMBEDDED |
355 | default y | 357 | default y |