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Date: Thu, 18 Feb 2016 15:01:55 +0100 From: Arnd Bergmann <arnd@...db.de> To: Russell King <linux@....linux.org.uk> Cc: linux-arm-kernel@...ts.infradead.org, Arnd Bergmann <arnd@...db.de>, Ard Biesheuvel <ard.biesheuvel@...aro.org>, Nicolas Pitre <nico@...aro.org>, Jon Medhurst <tixy@...aro.org>, Marc Zyngier <marc.zyngier@....com>, Kees Cook <keescook@...omium.org>, Catalin Marinas <catalin.marinas@....com>, Laura Abbott <labbott@...hat.com>, linux-kernel@...r.kernel.org Subject: [PATCH 3/9] ARM: make free_memmap as __init free_memmap is an inline function, but gcc may choose to ignore that when CONFIG_OPTIMIZE_INLINING is set. In that case it is put in the .text section, causing a kbuild warning: WARNING: vmlinux.o(.text.unlikely+0x1a0): Section mismatch in reference from the function free_memmap() to the function .init.text:__memblock_free_early() The function free_memmap() references the function __init __memblock_free_early(). This is often because free_memmap lacks a __init annotation or the annotation of __memblock_free_early is wrong. FATAL: modpost: Section mismatches detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them. This marks the function both inline and __init, which is a correct annotation and avoids the problem. Signed-off-by: Arnd Bergmann <arnd@...db.de> --- arch/arm/mm/init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 370581aeb871..a4db267c35b2 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -330,7 +330,7 @@ static inline void poison_init_mem(void *s, size_t count) *p++ = 0xe7fddef0; } -static inline void +static inline void __init free_memmap(unsigned long start_pfn, unsigned long end_pfn) { struct page *start_pg, *end_pg; -- 2.7.0
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