Messages in this thread |  | | Date | Tue, 31 Oct 2000 09:48:04 -0500 (EST) | From | <> | Subject | Re: kmalloc() allocation. |
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On Tue, 31 Oct 2000, Brian Gerst wrote:
> Andi Kleen wrote: > > > > On Tue, Oct 31, 2000 at 01:11:29AM -0500, Brian Gerst wrote: > > > This was just changed in 2.4 so that vmalloced pages are faulted in on > > > demand. > > > > Could you explain how it handles the vmalloc() -- vfree() -- vmalloc() of same > > virtual space but different physical race ? > > As far as I can tell (I didn't write the code), vfree didn't change. > It's only vmalloc that's lazy now.
The code for vmalloc allocates the pages at vmalloc time, not after. The TLB is populated lazily, but most definately not the page tables.
-ben
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