On Wed, Oct 09, 2019 at 06:57:31PM +0000, Vineet Gupta wrote: > Add the intermediate p4d accessors to make it 5 level compliant. > > This is a non-functional change anyways since ARC has software page walker > with 2 lookup levels (pgd -> pte) > > There is slight code bloat due to pulling in needless p*d_free_tlb() > macros which needs to be addressed seperately. > > | bloat-o-meter2 vmlinux-with-5LEVEL_HACK vmlinux-patched > | add/remove: 0/0 grow/shrink: 2/0 up/down: 128/0 (128) > | function old new delta > | free_pgd_range 546 656 +110 > | p4d_clear_bad 2 20 +18 > | Total: Before=4137148, After=4137276, chg 0.000000% > > Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> -- Kirill A. Shutemov
