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2.6.26 -stable review patch. If anyone has any objections, please let us know. ------------------ From: Ingo Molnar <mingo@elte.hu> based on e22146e610bb7aed63282148740ab1d1b91e1d90 upstream 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: Jack Steiner <steiner@sgi.com> Cc: linux-mm@kvack.org Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Oliver Pinter <oliver.pntr@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- arch/x86/mm/init_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -579,7 +579,7 @@ unsigned long __init_refok init_memory_m else pud = alloc_low_page(&pud_phys); - next = start + PGDIR_SIZE; + next = (start + PGDIR_SIZE) & PGDIR_MASK; if (next > end) next = end; last_map_addr = phys_pud_init(pud, __pa(start), __pa(next)); -- | ||||||||||||
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