diff options
Diffstat (limited to 'arch/arm64/mm/mmu.c')
| -rw-r--r-- | arch/arm64/mm/mmu.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 5810eddfb48e..01f42c1185eb 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -535,7 +535,7 @@ static void __init map_mem(pgd_t *pgdp) */ BUILD_BUG_ON(pgd_index(direct_map_end - 1) == pgd_index(direct_map_end)); - if (can_set_direct_map() || IS_ENABLED(CONFIG_KFENCE)) + if (can_set_direct_map()) flags |= NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS; /* @@ -1180,14 +1180,6 @@ static void free_empty_tables(unsigned long addr, unsigned long end, } #endif -#if !ARM64_KERNEL_USES_PMD_MAPS -int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, - struct vmem_altmap *altmap) -{ - WARN_ON((start < VMEMMAP_START) || (end > VMEMMAP_END)); - return vmemmap_populate_basepages(start, end, node, altmap); -} -#else /* !ARM64_KERNEL_USES_PMD_MAPS */ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, struct vmem_altmap *altmap) { @@ -1199,6 +1191,10 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, pmd_t *pmdp; WARN_ON((start < VMEMMAP_START) || (end > VMEMMAP_END)); + + if (!ARM64_KERNEL_USES_PMD_MAPS) + return vmemmap_populate_basepages(start, end, node, altmap); + do { next = pmd_addr_end(addr, end); @@ -1232,7 +1228,6 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, return 0; } -#endif /* !ARM64_KERNEL_USES_PMD_MAPS */ #ifdef CONFIG_MEMORY_HOTPLUG void vmemmap_free(unsigned long start, unsigned long end, @@ -1547,11 +1542,7 @@ int arch_add_memory(int nid, u64 start, u64 size, VM_BUG_ON(!mhp_range_allowed(start, size, true)); - /* - * KFENCE requires linear map to be mapped at page granularity, so that - * it is possible to protect/unprotect single pages in the KFENCE pool. - */ - if (can_set_direct_map() || IS_ENABLED(CONFIG_KFENCE)) + if (can_set_direct_map()) flags |= NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS; __create_pgd_mapping(swapper_pg_dir, start, __phys_to_virt(start), |