Commit 3d41e0f6 authored by Becky Bruce's avatar Becky Bruce Committed by Benjamin Herrenschmidt
Browse files

powerpc: mem_init should call memblock_is_reserved with phys_addr_t 



This has been broken for a while but hasn't been an issue until
now because nobody was reserving regions at high addresses.

Signed-off-by: default avatarBecky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 72632ce5

arch/powerpc/mm/mem.c

+2 −1
Original line number Diff line number Diff line
@@ -337,8 +337,9 @@ void __init mem_init(void) 


		highmem_mapnr = lowmem_end_addr >> PAGE_SHIFT;

		for (pfn = highmem_mapnr; pfn < max_mapnr; ++pfn) {

			phys_addr_t paddr = (phys_addr_t)pfn << PAGE_SHIFT;

			struct page *page = pfn_to_page(pfn);

			if (memblock_is_reserved(pfn << PAGE_SHIFT))

			if (memblock_is_reserved(paddr))

				continue;

			ClearPageReserved(page);

			init_page_count(page);