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openwrt/target
Hauke Mehrtens 6db454e9b6 kernel: Activate CONFIG_OPTIMIZE_INLINING
This will reduce the size of the kernel if CONFIG_CC_OPTIMIZE_FOR_SIZE is
set like for all targets with small_flash feature flag.
I haven't seen any changes for an ARM64 target which optimizes the
kernel for speed instead.

On the ath79/tiny target the uncompressed kernel size was reduced by
3.2% and the compressed kernel size by 2.1%

kernel size with CONFIG_OPTIMIZE_INLINING=n
4346412 build_dir/target-mips_24kc_musl/linux-ath79_tiny/vmlinux
1391169 build_dir/target-mips_24kc_musl/linux-ath79_tiny/tplink_tl-wr941-v4-kernel.bin

Kernel size with CONFIG_OPTIMIZE_INLINING=y
4212396 build_dir/target-mips_24kc_musl/linux-ath79_tiny/vmlinux
1362051 build_dir/target-mips_24kc_musl/linux-ath79_tiny/tplink_tl-wr941-v4-kernel.bin

This change is currently pending for kernel 5.2 and already in
linux-next, this updates our patch to match the upstream version.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 6dac1c0a9b)
5 years ago
..
imagebuilder imagebuilder: new DISABLED_SERVICES make variable 5 years ago
linux kernel: Activate CONFIG_OPTIMIZE_INLINING 5 years ago
sdk sdk: fix building external modules when CONFIG_STACK_VALIDATION=y 5 years ago
toolchain merge: etc: update remaining files 7 years ago
Config.in build: add a config option for enabling a testing version of the target kernel 5 years ago
Makefile build: make <subdir>/install opt-in, use it for target/ only 7 years ago