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Commit 8be65857 authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
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mm/m32r: use common help functions to free reserved pages 



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

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 66f62594

arch/m32r/mm/init.c

+3 −23
Original line number Diff line number Diff line
@@ -28,10 +28,7 @@ 
#include <asm/mmu_context.h>

#include <asm/setup.h>

#include <asm/tlb.h>



/* References to section boundaries */

extern char _text, _etext, _edata;

extern char __init_begin, __init_end;

#include <asm/sections.h>



pgd_t swapper_pg_dir[1024];
@@ -184,17 +181,7 @@ void __init mem_init(void) 
 *======================================================================*/

void free_initmem(void)

{

	unsigned long addr;



	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: %dk freed\n", \

	  (int)(&__init_end - &__init_begin) >> 10);

	free_initmem_default(0);

}



#ifdef CONFIG_BLK_DEV_INITRD
@@ -204,13 +191,6 @@ void free_initmem(void) 
 *======================================================================*/

void free_initrd_mem(unsigned long start, unsigned long end)

{

	unsigned long p;

	for (p = start; p < end; p += PAGE_SIZE) {

		ClearPageReserved(virt_to_page(p));

		init_page_count(virt_to_page(p));

		free_page(p);

		totalram_pages++;

	}

	printk (KERN_INFO "Freeing initrd memory: %ldk freed\n", (end - start) >> 10);

	free_reserved_area(start, end, 0, "initrd");

}

#endif