From 32a74949b7337726e76d69f51c48715431126c6c Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Thu, 23 Jul 2009 23:15:58 +0000 Subject: powerpc/mm: Add support for SPARSEMEM_VMEMMAP on 64-bit Book3E The base TLB support didn't include support for SPARSEMEM_VMEMMAP, though we did carve out some virtual space for it, the necessary support code wasn't there. This implements it by using 16M pages for now, though the page size could easily be changed at runtime if necessary. Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/mm/pgtable_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/powerpc/mm/pgtable_64.c') diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 93ed1a3c8729..853d5565eed5 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -79,7 +79,7 @@ static void *early_alloc_pgtable(unsigned long size) * map_kernel_page adds an entry to the ioremap page table * and adds an entry to the HPT, possibly bolting it */ -static int map_kernel_page(unsigned long ea, unsigned long pa, int flags) +int map_kernel_page(unsigned long ea, unsigned long pa, int flags) { pgd_t *pgdp; pud_t *pudp; -- cgit v1.2.3