powerpc/64s: mm_context.addr_limit is only used on hash

Radix keeps no meaningful state in addr_limit, so remove it from radix
code and rename to slb_addr_limit to make it clear it applies to hash
only.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2017-11-10 04:27:40 +11:00
committed by Michael Ellerman
parent 85e3f1adcb
commit 4722476bce
11 changed files with 27 additions and 42 deletions

View File

@@ -898,7 +898,8 @@ void __init setup_arch(char **cmdline_p)
#ifdef CONFIG_PPC_MM_SLICES
#ifdef CONFIG_PPC64
init_mm.context.addr_limit = DEFAULT_MAP_WINDOW_USER64;
if (!radix_enabled())
init_mm.context.slb_addr_limit = DEFAULT_MAP_WINDOW_USER64;
#else
#error "context.addr_limit not initialized."
#endif