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mm/microblaze: use common help functions to free reserved pages 

Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiang Liu 2013-04-29 15:06:42 -07:00 committed by Linus Torvalds
parent 920f1ad081
commit 7beb598787
2 changed files with 2 additions and 27 deletions
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1
arch/microblaze/include/asm/setup.h
View File

@ -46,7 +46,6 @@ void machine_shutdown(void);
void machine_halt(void);
void machine_power_off(void);
void free_init_pages(char *what, unsigned long begin, unsigned long end);
extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);

28
arch/microblaze/mm/init.c
View File

@ -236,40 +236,16 @@ void __init setup_memory(void)
paging_init();
}
void free_init_pages(char *what, unsigned long begin, unsigned long end)
{
unsigned long addr;
for (addr = begin; addr < end; addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
pr_info("Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
}
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
int pages = 0;
for (; start < end; start += PAGE_SIZE) {
ClearPageReserved(virt_to_page(start));
init_page_count(virt_to_page(start));
free_page(start);
totalram_pages++;
pages++;
}
pr_notice("Freeing initrd memory: %dk freed\n",
(int)(pages * (PAGE_SIZE / 1024)));
free_reserved_area(start, end, 0, "initrd");
}
#endif
void free_initmem(void)
{
free_init_pages("unused kernel memory",
(unsigned long)(&__init_begin),
(unsigned long)(&__init_end));
free_initmem_default(0);
}
void __init mem_init(void)