diff options
Diffstat (limited to 'arch/arm64/mm/mmu.c')
-rw-r--r-- | arch/arm64/mm/mmu.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 60c929f3683b..40797cbfba2d 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -338,7 +338,7 @@ static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys, phys_addr_t (*pgtable_alloc)(int), int flags) { - unsigned long addr, length, end, next; + unsigned long addr, end, next; pgd_t *pgdp = pgd_offset_raw(pgdir, virt); /* @@ -350,9 +350,8 @@ static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys, phys &= PAGE_MASK; addr = virt & PAGE_MASK; - length = PAGE_ALIGN(size + (virt & ~PAGE_MASK)); + end = PAGE_ALIGN(virt + size); - end = addr + length; do { next = pgd_addr_end(addr, end); alloc_init_pud(pgdp, addr, next, phys, prot, pgtable_alloc, @@ -1061,6 +1060,8 @@ int arch_add_memory(int nid, u64 start, u64 size, __create_pgd_mapping(swapper_pg_dir, start, __phys_to_virt(start), size, PAGE_KERNEL, __pgd_pgtable_alloc, flags); + memblock_clear_nomap(start, size); + return __add_pages(nid, start >> PAGE_SHIFT, size >> PAGE_SHIFT, restrictions); } @@ -1069,7 +1070,6 @@ void arch_remove_memory(int nid, u64 start, u64 size, { unsigned long start_pfn = start >> PAGE_SHIFT; unsigned long nr_pages = size >> PAGE_SHIFT; - struct zone *zone; /* * FIXME: Cleanup page tables (also in arch_add_memory() in case @@ -1078,7 +1078,6 @@ void arch_remove_memory(int nid, u64 start, u64 size, * unplug. ARCH_ENABLE_MEMORY_HOTREMOVE must not be * unlocked yet. */ - zone = page_zone(pfn_to_page(start_pfn)); - __remove_pages(zone, start_pfn, nr_pages, altmap); + __remove_pages(start_pfn, nr_pages, altmap); } #endif |