Messages in this thread |  | | Date | Thu, 12 Oct 2000 13:10:22 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: [RFC] atomic pte updates for x86 smp |
| |
On Thu, 12 Oct 2000, Ingo Molnar wrote:
> [...] pgd_clear() should stay a 64-bit operation [...]
even this isnt strictly necessery - pgds and pmds are allocated in 'low memory', and thus a simple 32-bit write to the lower 32 bits of the pgd entry is enough to clear a PAE pgd. But it still must be a special case due to the pgd present-bit restriction.
Ingo
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |