On Fri, Mar 05, 2021 at 10:54:58AM +0530, Anshuman Khandual wrote: > There are multiple instances of pfn_to_section_nr() and __pfn_to_section() > when CONFIG_SPARSEMEM is enabled. This can be optimized if memory section > is fetched earlier. This replaces the open coded PFN and ADDR conversion > with PFN_PHYS() and PHYS_PFN() helpers. While there, also add a comment. > This does not cause any functional change. > > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will@xxxxxxxxxx> > Cc: Ard Biesheuvel <ardb@xxxxxxxxxx> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> > Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>