diff options
Diffstat (limited to 'arch/powerpc/mm/nohash/tlb.c')
| -rw-r--r-- | arch/powerpc/mm/nohash/tlb.c | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/arch/powerpc/mm/nohash/tlb.c b/arch/powerpc/mm/nohash/tlb.c index 89353d4f5604..fd2c77af5c55 100644 --- a/arch/powerpc/mm/nohash/tlb.c +++ b/arch/powerpc/mm/nohash/tlb.c @@ -150,7 +150,6 @@ static inline int mmu_get_tsize(int psize) */ #ifdef CONFIG_PPC64 -int mmu_linear_psize; /* Page size used for the linear mapping */ int mmu_pte_psize; /* Page size used for PTE pages */ int mmu_vmemmap_psize; /* Page size used for the virtual mem map */ int book3e_htw_mode; /* HW tablewalk? Value is PPC_HTW_* */ @@ -433,7 +432,7 @@ void tlb_flush_pgtable(struct mmu_gather *tlb, unsigned long address) } } -static void setup_page_sizes(void) +static void __init setup_page_sizes(void) { unsigned int tlb0cfg; unsigned int tlb0ps; @@ -571,7 +570,7 @@ out: } } -static void setup_mmu_htw(void) +static void __init setup_mmu_htw(void) { /* * If we want to use HW tablewalk, enable it by patching the TLB miss @@ -645,7 +644,7 @@ static void early_init_this_mmu(void) if (map) linear_map_top = map_mem_in_cams(linear_map_top, - num_cams, true, true); + num_cams, false, true); } #endif @@ -657,14 +656,6 @@ static void early_init_this_mmu(void) static void __init early_init_mmu_global(void) { - /* XXX This will have to be decided at runtime, but right - * now our boot and TLB miss code hard wires it. Ideally - * we should find out a suitable page size and patch the - * TLB miss code (either that or use the PACA to store - * the value we want) - */ - mmu_linear_psize = MMU_PAGE_1G; - /* XXX This should be decided at runtime based on supported * page sizes in the TLB, but for now let's assume 16M is * always there and a good fit (which it probably is) @@ -766,7 +757,7 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base, num_cams = (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) / 4; linear_sz = map_mem_in_cams(first_memblock_size, num_cams, - false, true); + true, true); ppc64_rma_size = min_t(u64, linear_sz, 0x40000000); } else |