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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 16:26:21 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 14:53:53 +0300 |
| commit | d6a9996e84ac4beb7713e9485f4563e100a9b03e (patch) | |
| tree | 58f648711d8a8fa0cc02a47ad19b5e81ceebc8a6 /arch/powerpc/mm/hash_utils_64.c | |
| parent | 4dfb88ca9b66690d21030ccacc1cca73db90655e (diff) | |
| download | linux-d6a9996e84ac4beb7713e9485f4563e100a9b03e.tar.xz | |
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/hash_utils_64.c')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 64165a730160..68aee435ea97 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -889,6 +889,14 @@ void __init hash__early_init_mmu(void) __pmd_val_bits = 0; __pud_val_bits = 0; __pgd_val_bits = 0; + + __kernel_virt_start = H_KERN_VIRT_START; + __kernel_virt_size = H_KERN_VIRT_SIZE; + __vmalloc_start = H_VMALLOC_START; + __vmalloc_end = H_VMALLOC_END; + vmemmap = (struct page *)H_VMEMMAP_BASE; + ioremap_bot = IOREMAP_BASE; + /* Initialize the MMU Hash table and create the linear mapping * of memory. Has to be done before SLB initialization as this is * currently where the page size encoding is obtained. |