Commit 7acb2c2e authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds

mm/xtensa: 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: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bced0e32
......@@ -208,32 +208,17 @@ void __init mem_init(void)
highmemsize >> 10);
}
void
free_reserved_mem(void *start, void *end)
{
for (; start < end; start += PAGE_SIZE) {
ClearPageReserved(virt_to_page(start));
init_page_count(virt_to_page(start));
free_page((unsigned long)start);
totalram_pages++;
}
}
#ifdef CONFIG_BLK_DEV_INITRD
extern int initrd_is_mapped;
void free_initrd_mem(unsigned long start, unsigned long end)
{
if (initrd_is_mapped) {
free_reserved_mem((void*)start, (void*)end);
printk ("Freeing initrd memory: %ldk freed\n",(end-start)>>10);
}
if (initrd_is_mapped)
free_reserved_area(start, end, 0, "initrd");
}
#endif
void free_initmem(void)
{
free_reserved_mem(__init_begin, __init_end);
printk("Freeing unused kernel memory: %zuk freed\n",
(__init_end - __init_begin) >> 10);
free_initmem_default(0);
}
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