Commit f65e67c7 authored Mar 28, 2018 by Jonathan Neuschäfer Committed by Michael Ellerman Apr 01, 2018

powerpc/mm: Use memblock API for PPC32 page_is_ram



To support accurate checking for different blocks of memory on PPC32,
use the same memblock-based approach that's already used on PPC64 also
on PPC32.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent 2615c93e

arch/powerpc/mm/mem.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -82,11 +82,7 @@ static inline pte_t *virt_to_kpte(unsigned long vaddr)

		int page_is_ram(unsigned long pfn)
		{
		#ifndef CONFIG_PPC64 /* XXX for now */
		return pfn < max_pfn;
		#else
		return memblock_is_memory(__pfn_to_phys(pfn));
		#endif
		}

		pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,