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Commit e22146e6 authored by Jack Steiner's avatar Jack Steiner Committed by Ingo Molnar
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x86: fix kernel_physical_mapping_init() for large x86 systems 



Fix bug in kernel_physical_mapping_init() that causes kernel
page table to be built incorrectly for systems with greater
than 512GB of memory.

Signed-off-by: default avatarJack Steiner <steiner@sgi.com>
Cc: linux-mm@kvack.org
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 45158894

arch/x86/mm/init_64.c

+1 −1
Original line number Diff line number Diff line
@@ -644,7 +644,7 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start, 
		unsigned long pud_phys;

		pud_t *pud;



		next = start + PGDIR_SIZE;

		next = (start + PGDIR_SIZE) & PGDIR_MASK;

		if (next > end)

			next = end;