Messages in this thread | | | Date | Thu, 10 Oct 2019 09:29:52 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 0/3] eldie generated code for folded p4d/pud |
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On Wed, Oct 09, 2019 at 03:26:55PM -0700, Vineet Gupta wrote: > Hi, > > This series elides extraneous generate code for folded p4d/pud. > This came up when trying to remove __ARCH_USE_5LEVEL_HACK from ARC port. > The code saving are not a while lot, but still worthwhile IMHO. > > bloat-o-meter2 vmlinux-A-baseline vmlinux-E-elide-p?d_clear_bad > add/remove: 0/2 grow/shrink: 0/1 up/down: 0/-146 (-146) > function old new delta > p4d_clear_bad 2 - -2 > pud_clear_bad 20 - -20 > free_pgd_range 546 422 -124 > Total: Before=4137148, After=4137002, chg -1.000000% >
Works for me, thanks!
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