Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7932f61b authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
Browse files

mm/openrisc: 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: Jonas Bonn <jonas@southpole.se>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 32ce0120

arch/openrisc/mm/init.c

+3 −24
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ 
#include <asm/kmap_types.h>

#include <asm/fixmap.h>

#include <asm/tlbflush.h>

#include <asm/sections.h>



int mem_init_done;
@@ -201,9 +202,6 @@ void __init paging_init(void) 


/* References to section boundaries */



extern char _stext, _etext, _edata, __bss_start, _end;

extern char __init_begin, __init_end;



static int __init free_pages_init(void)

{

	int reservedpages, pfn;
@@ -263,30 +261,11 @@ void __init mem_init(void) 
#ifdef CONFIG_BLK_DEV_INITRD

void free_initrd_mem(unsigned long start, unsigned long end)

{

	printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",

	       (end - start) >> 10);



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

		ClearPageReserved(virt_to_page(start));

		init_page_count(virt_to_page(start));

		free_page(start);

		totalram_pages++;

	}

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

}

#endif



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: %luk freed\n",

	       ((unsigned long)&__init_end -

		(unsigned long)&__init_begin) >> 10);

	free_initmem_default(0);

}