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Commit 88448b65 authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
Browse files

mm/SH: 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>
Acked-by: default avatarPaul Mundt <lethal@linux-sh.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7265d80f

arch/sh/mm/init.c

+3 −23
Original line number Diff line number Diff line
@@ -417,15 +417,13 @@ void __init mem_init(void) 


	for_each_online_node(nid) {

		pg_data_t *pgdat = NODE_DATA(nid);

		unsigned long node_pages = 0;

		void *node_high_memory;



		num_physpages += pgdat->node_present_pages;



		if (pgdat->node_spanned_pages)

			node_pages = free_all_bootmem_node(pgdat);

			totalram_pages += free_all_bootmem_node(pgdat);



		totalram_pages += node_pages;



		node_high_memory = (void *)__va((pgdat->node_start_pfn +

						 pgdat->node_spanned_pages) <<
@@ -501,31 +499,13 @@ 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("Freeing unused kernel memory: %ldk freed\n",

	       ((unsigned long)&__init_end -

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

	free_initmem_default(0);

}



#ifdef CONFIG_BLK_DEV_INITRD

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

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

}

#endif