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tinyconfig: enable CONFIG_LD_DEAD_CODE_DATA_ELIMINATION

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This CONFIG option, if supported by the architecture, helps reduce the
size of vmlinux.

For example, the size of vmlinux with ARCH=arm tinyconfig decreases as
follows:

   text	   data	    bss	    dec	    hex	filename
 631684	 104500	  18176	 754360	  b82b8	vmlinux.before
 455316	  93404	  15472	 564192	  89be0	vmlinux.after

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2025-05-26 18:07:51 +09:00
parent 40617439d5
commit 81a93bf93f
1 changed files with 1 additions and 0 deletions
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kernel/configs/tiny.config
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@ -2,3 +2,4 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_KERNEL_XZ=y
CONFIG_SLUB=y
CONFIG_SLUB_TINY=y
CONFIG_LD_DEAD_CODE_DATA_ELIMINATION=y