On Mon, May 10, 2021 at 03:36:29PM +0530, Anshuman Khandual wrote: > > > On 5/10/21 2:23 PM, Peter Zijlstra wrote: > > On Mon, May 10, 2021 at 10:05:45AM +0530, Anshuman Khandual wrote: > >> - select ARCH_ENABLE_SPLIT_PMD_PTLOCK if X86_64 || X86_PAE > >> + select ARCH_ENABLE_SPLIT_PMD_PTLOCK if (PGTABLE_LEVELS > 2) && (X86_64 || X86_PAE) > > > > It's still very early on a Monday, but IIRC this new condition is > > identical to the pre-existing one. > > Did not get it, could you please elaborate ? When using x86_PAE, you must have more than two pgtable levels, right? And not speaking of x86_64. -- Oscar Salvador SUSE L3
