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Commit 66f62594 authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
Browse files

mm/IA64: 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>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0f97580d

arch/ia64/mm/init.c

+4 −19
Original line number Diff line number Diff line
@@ -154,25 +154,14 @@ ia64_init_addr_space (void) 
void

free_initmem (void)

{

	unsigned long addr, eaddr;



	addr = (unsigned long) ia64_imva(__init_begin);

	eaddr = (unsigned long) ia64_imva(__init_end);

	while (addr < eaddr) {

		ClearPageReserved(virt_to_page(addr));

		init_page_count(virt_to_page(addr));

		free_page(addr);

		++totalram_pages;

		addr += PAGE_SIZE;

	}

	printk(KERN_INFO "Freeing unused kernel memory: %ldkB freed\n",

	       (__init_end - __init_begin) >> 10);

	free_reserved_area((unsigned long)ia64_imva(__init_begin),

			   (unsigned long)ia64_imva(__init_end),

			   0, "unused kernel");

}



void __init

free_initrd_mem (unsigned long start, unsigned long end)

{

	struct page *page;

	/*

	 * EFI uses 4KB pages while the kernel can use 4KB or bigger.

	 * Thus EFI and the kernel may have different page sizes. It is
@@ -213,11 +202,7 @@ free_initrd_mem (unsigned long start, unsigned long end) 
	for (; start < end; start += PAGE_SIZE) {

		if (!virt_addr_valid(start))

			continue;

		page = virt_to_page(start);

		ClearPageReserved(page);

		init_page_count(page);

		free_page(start);

		++totalram_pages;

		free_reserved_page(virt_to_page(start));

	}

}