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| author | Jack Steiner <steiner@sgi.com> | 2008-07-16 11:11:59 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 18:27:36 +0200 |
| commit | e22146e610bb7aed63282148740ab1d1b91e1d90 (patch) | |
| tree | 85cb5c7578efbab1d0e37382bf213da5ebeded37 /arch/x86/mm/init_64.c | |
| parent | 45158894d4d6704afbb4cefe55e5f6ca279fe12a (diff) | |
| download | lwn-e22146e610bb7aed63282148740ab1d1b91e1d90.tar.gz lwn-e22146e610bb7aed63282148740ab1d1b91e1d90.zip | |
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: Jack Steiner <steiner@sgi.com>
Cc: linux-mm@kvack.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/init_64.c')
| -rw-r--r-- | arch/x86/mm/init_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 27de2435e008..306049edd553 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -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; |