On Thu, Feb 15, 2024 at 10:32:04AM +0000, Ryan Roberts wrote: > As set_ptes() and wrprotect_ptes() become a bit more complex, the > compiler may choose not to inline them. But this is critical for fork() > performance. So mark the functions, along with contpte_try_unfold() > which is called by them, as __always_inline. This is worth ~1% on the > fork() microbenchmark with order-0 folios (the common case). > > Acked-by: Mark Rutland <mark.rutland@xxxxxxx> > Signed-off-by: Ryan Roberts <ryan.roberts@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
