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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2019-05-12 18:49:24 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2019-08-17 00:18:29 +0200 |
| commit | 6db454e9b69fbf80b8f7bfb1f718a0ab340873fd (patch) | |
| tree | 86acfd2b19a977c00df5d49ce4497f85a1abd1d1 /target/linux/generic/config-4.14 | |
| parent | e79f192c0ab50e3a889cdea7b32dbaa394a529ab (diff) | |
| download | upstream-6db454e9b69fbf80b8f7bfb1f718a0ab340873fd.tar.gz upstream-6db454e9b69fbf80b8f7bfb1f718a0ab340873fd.tar.bz2 upstream-6db454e9b69fbf80b8f7bfb1f718a0ab340873fd.zip | |
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)
Diffstat (limited to 'target/linux/generic/config-4.14')
| -rw-r--r-- | target/linux/generic/config-4.14 | 2 |
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 |