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

Use common help functions to free reserved pages.
Also include <asm/sections.h> to avoid local declaration.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Mikael Starvik <starvik@axis.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 15:06:36 -07:00 committed by Linus Torvalds
parent 95a259ed28
commit 2e529815a6
1 changed files with 2 additions and 14 deletions
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16
arch/cris/mm/init.c
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@ -12,12 +12,10 @@
#include <linux/init.h> #include <linux/init.h>
#include <linux/bootmem.h> #include <linux/bootmem.h>
#include <asm/tlb.h> #include <asm/tlb.h>
#include <asm/sections.h>
unsigned long empty_zero_page; unsigned long empty_zero_page;
extern char _stext, _edata, _etext; /* From linkerscript */
extern char __init_begin, __init_end;
void __init void __init
mem_init(void) mem_init(void)
{ {
@ -67,15 +65,5 @@ mem_init(void)
void void
free_initmem(void) free_initmem(void)
{ {
unsigned long addr; free_initmem_default(0);
addr = (unsigned long)(&__init_begin);
for (; addr < (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: %luk freed\n",
(unsigned long)((&__init_end - &__init_begin) >> 10));
} }