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authorHauke Mehrtens <hauke@hauke-m.de>2019-05-12 18:49:24 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2019-08-17 00:18:29 +0200
commit6db454e9b69fbf80b8f7bfb1f718a0ab340873fd (patch)
tree86acfd2b19a977c00df5d49ce4497f85a1abd1d1 /package/kernel
parente79f192c0ab50e3a889cdea7b32dbaa394a529ab (diff)
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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 6dac1c0a9b94b62b6412b74a8997f728570f36be)
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