Messages in this thread | | | Date | Tue, 28 Aug 2018 14:12:43 +0100 | From | Will Deacon <> | Subject | Re: [RFC PATCH 09/11] asm-generic/tlb: Track which levels of the page tables have been cleared |
| |
On Mon, Aug 27, 2018 at 09:53:41AM +0200, Peter Zijlstra wrote: > On Fri, Aug 24, 2018 at 04:52:44PM +0100, Will Deacon wrote: > > +static inline unsigned long tlb_get_unmap_granule(struct mmu_gather *tlb) > > +{ > > + if (tlb->cleared_ptes) > > + return PAGE_SIZE; > > + if (tlb->cleared_pmds) > > + return PMD_SIZE; > > + if (tlb->cleared_puds) > > + return PUD_SIZE; > > + if (tlb->cleared_p4ds) > > + return P4D_SIZE; > > + > > + return PAGE_SIZE; > > +} > > When doing the x86 patch; I found _SHIFT more useful than _SIZE.
I'll make that change for the next version.
Cheers,
Will
| |