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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-04-29 23:26:21 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2016-05-11 21:53:53 +1000
commitd6a9996e84ac4beb7713e9485f4563e100a9b03e (patch)
tree58f648711d8a8fa0cc02a47ad19b5e81ceebc8a6 /arch/powerpc/mm/pgtable-radix.c
parent4dfb88ca9b66690d21030ccacc1cca73db90655e (diff)
downloadlinux-d6a9996e84ac4beb7713e9485f4563e100a9b03e.tar.gz
powerpc/mm: vmalloc abstraction in preparation for radix
The vmalloc range differs between hash and radix config. Hence make VMALLOC_START and related constants a variable which will be runtime initialized depending on whether hash or radix mode is active. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> [mpe: Fix missing init of ioremap_bot in pgtable_64.c for ppc64e] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/pgtable-radix.c')
-rw-r--r--arch/powerpc/mm/pgtable-radix.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index 6182b6c3c9c3..13afacdfa96e 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -328,6 +328,13 @@ void __init radix__early_init_mmu(void)
__pud_val_bits = RADIX_PUD_VAL_BITS;
__pgd_val_bits = RADIX_PGD_VAL_BITS;
+ __kernel_virt_start = RADIX_KERN_VIRT_START;
+ __kernel_virt_size = RADIX_KERN_VIRT_SIZE;
+ __vmalloc_start = RADIX_VMALLOC_START;
+ __vmalloc_end = RADIX_VMALLOC_END;
+ vmemmap = (struct page *)RADIX_VMEMMAP_BASE;
+ ioremap_bot = IOREMAP_BASE;
+
radix_init_page_sizes();
if (!firmware_has_feature(FW_FEATURE_LPAR))
radix_init_partition_table();