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[46.53.201.92]) by smtp.gmail.com with ESMTPSA id e190sm13434375wmf.0.2018.11.24.01.14.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 24 Nov 2018 01:14:12 -0800 (PST) Date: Sat, 24 Nov 2018 12:14:11 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] mm: make free_reserved_area() return "const char *" Message-ID: <20181124091411.GC10969@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org and propagate through down the call stack. Signed-off-by: Alexey Dobriyan --- arch/x86/include/asm/processor.h | 2 +- arch/x86/mm/init.c | 2 +- include/linux/mm.h | 2 +- mm/page_alloc.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -967,7 +967,7 @@ static inline uint32_t hypervisor_cpuid_base(const char *sig, uint32_t leaves) } extern unsigned long arch_align_stack(unsigned long sp); -extern void free_init_pages(char *what, unsigned long begin, unsigned long end); +void free_init_pages(const char *what, unsigned long begin, unsigned long end); extern void free_kernel_image_pages(void *begin, void *end); void default_idle(void); --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -742,7 +742,7 @@ int devmem_is_allowed(unsigned long pagenr) return 1; } -void free_init_pages(char *what, unsigned long begin, unsigned long end) +void free_init_pages(const char *what, unsigned long begin, unsigned long end) { unsigned long begin_aligned, end_aligned; --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2054,7 +2054,7 @@ extern void free_initmem(void); * Return pages freed into the buddy system. */ extern unsigned long free_reserved_area(void *start, void *end, - int poison, char *s); + int poison, const char *s); #ifdef CONFIG_HIGHMEM /* --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -7072,7 +7072,7 @@ void adjust_managed_page_count(struct page *page, long count) } EXPORT_SYMBOL(adjust_managed_page_count); -unsigned long free_reserved_area(void *start, void *end, int poison, char *s) +unsigned long free_reserved_area(void *start, void *end, int poison, const char *s) { void *pos; unsigned long pages = 0;