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Commit 5e7ccf86 authored by Jiang Liu's avatar Jiang Liu Committed by Linus Torvalds
Browse files

mm/x86: use free_highmem_page() to free highmem pages into buddy system 



Use helper function free_highmem_page() to free highmem pages into
the buddy system.

Signed-off-by: default avatarJiang Liu <jiang.liu@huawei.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Cong Wang <amwang@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Attilio Rao <attilio.rao@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: default avatarPekka Enberg <penberg@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5b472b20

arch/x86/mm/highmem_32.c

+0 −1
Original line number Diff line number Diff line
@@ -137,5 +137,4 @@ void __init set_highmem_pages_init(void) 
		add_highpages_with_active_regions(nid, zone_start_pfn,

				 zone_end_pfn);

	}

	totalram_pages += totalhigh_pages;

}

arch/x86/mm/init_32.c

+1 −9
Original line number Diff line number Diff line
@@ -427,14 +427,6 @@ static void __init permanent_kmaps_init(pgd_t *pgd_base) 
	pkmap_page_table = pte;

}



static void __init add_one_highpage_init(struct page *page)

{

	ClearPageReserved(page);

	init_page_count(page);

	__free_page(page);

	totalhigh_pages++;

}



void __init add_highpages_with_active_regions(int nid,

			 unsigned long start_pfn, unsigned long end_pfn)

{
@@ -448,7 +440,7 @@ void __init add_highpages_with_active_regions(int nid, 
					      start_pfn, end_pfn);

		for ( ; pfn < e_pfn; pfn++)

			if (pfn_valid(pfn))

				add_one_highpage_init(pfn_to_page(pfn));

				free_highmem_page(pfn_to_page(pfn));

	}

}

#else