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xtensa: annotate dtb_start variable as static __initdata

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The 'dtb_start' variable is only used within arch/xtensa/kernel/setup.c.
Mark it as 'static'.

It is only used by parse_tag_fdt() and init_arch(), both of which are
annotated as __init. Therefore, dtb_start can be annotated as __initdata,
so it will discarded after boot.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Message-Id: <20240918031537.588965-1-masahiroy@kernel.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Masahiro Yamada 2024-09-18 12:15:34 +09:00 committed by Max Filippov
parent adc218676e
commit 99e487db5c
1 changed files with 1 additions and 1 deletions
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2
arch/xtensa/kernel/setup.c
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@ -55,7 +55,7 @@ extern int initrd_below_start_ok;
#endif
#ifdef CONFIG_USE_OF
void *dtb_start = __dtb_start;
static void *dtb_start __initdata = __dtb_start;
#endif
extern unsigned long loops_per_jiffy;