Re: [PATCH 0/3] eldie generated code for folded p4d/pud

2019-10-11 Thread Kirill A. Shutemov
On Thu, Oct 10, 2019 at 01:05:56PM -0700, Vineet Gupta wrote: > > Hi Kirill, > > On 10/10/19 1:56 AM, Kirill A. Shutemov wrote: > > On Wed, Oct 09, 2019 at 10:26:55PM +, Vineet Gupta wrote: > >> > >> This series elides extraneous generate code for folded p4d/pud. > >> This came up when

Re: [PATCH 0/3] eldie generated code for folded p4d/pud

2019-10-10 Thread Vineet Gupta
Hi Kirill, On 10/10/19 1:56 AM, Kirill A. Shutemov wrote: > On Wed, Oct 09, 2019 at 10:26:55PM +, Vineet Gupta wrote: >> >> 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

Re: [PATCH 0/3] eldie generated code for folded p4d/pud

2019-10-10 Thread Kirill A. Shutemov
On Wed, Oct 09, 2019 at 10:26:55PM +, 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. Agreed. Acked-by:

Re: [PATCH 0/3] eldie generated code for folded p4d/pud

2019-10-10 Thread Peter Zijlstra
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

[PATCH 0/3] eldie generated code for folded p4d/pud

2019-10-09 Thread Vineet Gupta
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