diff options
Diffstat (limited to 'arch/powerpc/mm/book3s64/radix_pgtable.c')
-rw-r--r-- | arch/powerpc/mm/book3s64/radix_pgtable.c | 65 |
1 files changed, 1 insertions, 64 deletions
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c index e7ea492ac510..b5102491b50f 100644 --- a/arch/powerpc/mm/book3s64/radix_pgtable.c +++ b/arch/powerpc/mm/book3s64/radix_pgtable.c @@ -37,7 +37,6 @@ #include <mm/mmu_decl.h> unsigned int mmu_base_pid; -unsigned long radix_mem_block_size __ro_after_init; static __ref void *early_alloc_pgtable(unsigned long size, int nid, unsigned long region_start, unsigned long region_end) @@ -300,7 +299,7 @@ static int __meminit create_physical_mapping(unsigned long start, bool prev_exec, exec = false; pgprot_t prot; int psize; - unsigned long max_mapping_size = radix_mem_block_size; + unsigned long max_mapping_size = memory_block_size; if (debug_pagealloc_enabled_or_kfence()) max_mapping_size = PAGE_SIZE; @@ -502,58 +501,6 @@ static int __init radix_dt_scan_page_sizes(unsigned long node, return 1; } -#ifdef CONFIG_MEMORY_HOTPLUG -static int __init probe_memory_block_size(unsigned long node, const char *uname, int - depth, void *data) -{ - unsigned long *mem_block_size = (unsigned long *)data; - const __be32 *prop; - int len; - - if (depth != 1) - return 0; - - if (strcmp(uname, "ibm,dynamic-reconfiguration-memory")) - return 0; - - prop = of_get_flat_dt_prop(node, "ibm,lmb-size", &len); - - if (!prop || len < dt_root_size_cells * sizeof(__be32)) - /* - * Nothing in the device tree - */ - *mem_block_size = MIN_MEMORY_BLOCK_SIZE; - else - *mem_block_size = of_read_number(prop, dt_root_size_cells); - return 1; -} - -static unsigned long __init radix_memory_block_size(void) -{ - unsigned long mem_block_size = MIN_MEMORY_BLOCK_SIZE; - - /* - * OPAL firmware feature is set by now. Hence we are ok - * to test OPAL feature. - */ - if (firmware_has_feature(FW_FEATURE_OPAL)) - mem_block_size = 1UL * 1024 * 1024 * 1024; - else - of_scan_flat_dt(probe_memory_block_size, &mem_block_size); - - return mem_block_size; -} - -#else /* CONFIG_MEMORY_HOTPLUG */ - -static unsigned long __init radix_memory_block_size(void) -{ - return 1UL * 1024 * 1024 * 1024; -} - -#endif /* CONFIG_MEMORY_HOTPLUG */ - - void __init radix__early_init_devtree(void) { int rc; @@ -577,16 +524,6 @@ void __init radix__early_init_devtree(void) mmu_psize_defs[MMU_PAGE_64K].h_rpt_pgsize = psize_to_rpti_pgsize(MMU_PAGE_64K); } - - /* - * Max mapping size used when mapping pages. We don't use - * ppc_md.memory_block_size() here because this get called - * early and we don't have machine probe called yet. Also - * the pseries implementation only check for ibm,lmb-size. - * All hypervisor supporting radix do expose that device - * tree node. - */ - radix_mem_block_size = radix_memory_block_size(); return; } |