diff options
| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-06-24 17:32:48 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:15:58 +0200 |
| commit | 8207c2570af6f819b61be9ef3fb298d0a8c0e18c (patch) | |
| tree | 0854b3e4a7e94deb6d9867393280965d1d22b517 | |
| parent | 9f9d489a3e78b49d897734eaaf9dea568dbea66e (diff) | |
x86: fix pte allocation in "x86: introduce init_memory_mapping for 32bit"
The patch "x86: introduce init_memory_mapping for 32bit" does not allocate
enough space for PTEs if the CPU does not implement PSE.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/mm/init_32.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index c059c460e32..156000de6e6 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -733,6 +733,11 @@ static void __init find_early_table_space(unsigned long end) pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT; tables += PAGE_ALIGN(pmds * sizeof(pmd_t)); + if (!cpu_has_pse) { + int ptes = (end + PAGE_SIZE - 1) >> PAGE_SHIFT; + tables += PAGE_ALIGN(ptes * sizeof(pte_t)); + } + /* * RED-PEN putting page tables only on node 0 could * cause a hotspot and fill up ZONE_DMA. The page tables |