Re: [PATCH 3/4] mm: move_page_tables{,_up}
Peter Zijlstra <[email protected]>
| Newsgroups | gmane.linux.ports.hppa,gmane.linux.kernel,gmane.linux.kernel.mm |
|---|---|
| Message-ID | <1181157134.5676.28.camel@lappy> |
On Wed, 2007-06-06 at 12:06 -0700, Ollie Wild wrote: > On 6/5/07, Peter Zijlstra <[email protected]> wrote: > > Provide functions for moving page tables upwards. > > Now that we're initializing the temporary stack location to > STACK_TOP_MAX, do we still need move_page_tables_up() for variable > length argument support? I originally added it into shift_arg_pages() > to support 32-bit apps exec'ing 64-bit apps when we were using > TASK_SIZE as our temporary location. > > Maybe we should decouple this patch from the others and submit it as > an enhancement to support memory defragmentation. PA-RISC will still need it, right? On the defrag thingy, I talked with Mel today, and neither of us can see a usefull application of these functions to his defrag work.