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mm: make free_reserved_area() return "const char *"

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and propagate through down the call stack.

Link: http://lkml.kernel.org/r/20181124091411.GC10969@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2018-12-28 00:36:03 -08:00 committed by Linus Torvalds
parent 9a2f45ff32
commit e5cb113f2d
4 changed files with 4 additions and 4 deletions
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2
arch/x86/include/asm/processor.h
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@ -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 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); extern void free_kernel_image_pages(void *begin, void *end);
void default_idle(void); void default_idle(void);

2
arch/x86/mm/init.c
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@ -742,7 +742,7 @@ int devmem_is_allowed(unsigned long pagenr)
return 1; 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; unsigned long begin_aligned, end_aligned;

2
include/linux/mm.h
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@ -2108,7 +2108,7 @@ extern void free_initmem(void);
* Return pages freed into the buddy system. * Return pages freed into the buddy system.
*/ */
extern unsigned long free_reserved_area(void *start, void *end, extern unsigned long free_reserved_area(void *start, void *end,
int poison, char *s); int poison, const char *s);
#ifdef CONFIG_HIGHMEM #ifdef CONFIG_HIGHMEM
/* /*

2
mm/page_alloc.c
View file

@ -7193,7 +7193,7 @@ void adjust_managed_page_count(struct page *page, long count)
} }
EXPORT_SYMBOL(adjust_managed_page_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; void *pos;
unsigned long pages = 0; unsigned long pages = 0;