Commit f3d34445 authored Sep 12, 2012 by Scott Wood Committed by Benjamin Herrenschmidt Sep 17, 2012

powerpc/mm: Fix typo in PTRS_PER_PUD



PTRS_PER_PUD should be based on PUD_INDEX_SIZE, not PMD_INDEX_SIZE.  We
got away with it because PUD and PMD had the same index size, but this is
no longer true with Aneesh's patchset to support a 46-bit user effective
address space.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

parent b92a66a6

arch/powerpc/include/asm/pgtable-ppc64-4k.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -19,7 +19,7 @@

		#define PTRS_PER_PTE (1 << PTE_INDEX_SIZE)
		#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE)
		#define PTRS_PER_PUD (1 << PMD_INDEX_SIZE)
		#define PTRS_PER_PUD (1 << PUD_INDEX_SIZE)
		#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE)

		/* PMD_SHIFT determines what a second-level page table entry can map */