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authorHauke Mehrtens <hauke@hauke-m.de>2019-05-12 18:49:24 +0200
committerHauke Mehrtens <hauke@hauke-m.de>2019-06-16 18:40:02 +0200
commit6dac1c0a9b94b62b6412b74a8997f728570f36be (patch)
tree2cfe11b9a806c85b9ffad7f7284969c1017f5150 /target/linux/generic/config-4.14
parent8f5873f6c86767a7f3f2faae8d076d6e52a19fd4 (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>
Diffstat (limited to 'target/linux/generic/config-4.14')
-rw-r--r--target/linux/generic/config-4.142
1 files changed, 1 insertions, 1 deletions
diff --git a/target/linux/generic/config-4.14 b/target/linux/generic/config-4.14
index 1e8497b503..8aaa54b8ff 100644
--- a/target/linux/generic/config-4.14
+++ b/target/linux/generic/config-4.14
@@ -3382,7 +3382,7 @@ CONFIG_NMI_LOG_BUF_SHIFT=13
# CONFIG_OPROFILE is not set
# CONFIG_OPROFILE_EVENT_MULTIPLEX is not set
# CONFIG_OPT3001 is not set
-# CONFIG_OPTIMIZE_INLINING is not set
+CONFIG_OPTIMIZE_INLINING=y
# CONFIG_ORANGEFS_FS is not set
# CONFIG_ORION_WATCHDOG is not set
# CONFIG_OSF_PARTITION is not set