FEX-Emu/linux
1
0
Fork 0
mirror of https://github.com/FEX-Emu/linux.git synced 2024-12-16 14:02:10 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

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

Browse Source 
Use common help functions to free reserved pages.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
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 15:06:55 -07:00 committed by Linus Torvalds
parent bced0e32f6
commit 7acb2c2e1c
1 changed files with 3 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/xtensa/mm/init.c
View File

@ -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);
}