Commit 95a259ed authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds

mm/c6x: use common help functions to free reserved pages

Use common help functions to free reserved pages.
Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ed8a36f5
...@@ -77,37 +77,11 @@ void __init mem_init(void) ...@@ -77,37 +77,11 @@ void __init mem_init(void)
#ifdef CONFIG_BLK_DEV_INITRD #ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end) void __init free_initrd_mem(unsigned long start, unsigned long end)
{ {
int pages = 0; free_reserved_area(start, end, 0, "initrd");
for (; start < end; start += PAGE_SIZE) {
ClearPageReserved(virt_to_page(start));
init_page_count(virt_to_page(start));
free_page(start);
totalram_pages++;
pages++;
}
printk(KERN_INFO "Freeing initrd memory: %luk freed\n",
(pages * PAGE_SIZE) >> 10);
} }
#endif #endif
void __init free_initmem(void) void __init free_initmem(void)
{ {
unsigned long addr; free_initmem_default(0);
/*
* The following code should be cool even if these sections
* are not page aligned.
*/
addr = PAGE_ALIGN((unsigned long)(__init_begin));
/* next to check that the page we free is not a partial page */
for (; addr + PAGE_SIZE < (unsigned long)(__init_end);
addr += PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
printk(KERN_INFO "Freeing unused kernel memory: %dK freed\n",
(int) ((addr - PAGE_ALIGN((long) &__init_begin)) >> 10));
} }
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