Commit e22146e6 authored by Jack Steiner's avatar Jack Steiner Committed by Ingo Molnar

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
...@@ -644,7 +644,7 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start, ...@@ -644,7 +644,7 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start,
unsigned long pud_phys; unsigned long pud_phys;
pud_t *pud; pud_t *pud;
next = start + PGDIR_SIZE; next = (start + PGDIR_SIZE) & PGDIR_MASK;
if (next > end) if (next > end)
next = end; next = end;
......
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