diff options
Diffstat (limited to 'arch/metag/mm')
| -rw-r--r-- | arch/metag/mm/cache.c | 2 | ||||
| -rw-r--r-- | arch/metag/mm/fault.c | 12 | ||||
| -rw-r--r-- | arch/metag/mm/init.c | 47 | ||||
| -rw-r--r-- | arch/metag/mm/numa.c | 5 |
4 files changed, 25 insertions, 41 deletions
diff --git a/arch/metag/mm/cache.c b/arch/metag/mm/cache.c index b5d3b2e7c16..a62285284ab 100644 --- a/arch/metag/mm/cache.c +++ b/arch/metag/mm/cache.c @@ -45,7 +45,7 @@ static volatile u32 lnkget_testdata[16] __initdata __aligned(64); #define LNKGET_CONSTANT 0xdeadbeef -void __init metag_lnkget_probe(void) +static void __init metag_lnkget_probe(void) { int temp; long flags; diff --git a/arch/metag/mm/fault.c b/arch/metag/mm/fault.c index 2c75bf7357c..332680e5ebf 100644 --- a/arch/metag/mm/fault.c +++ b/arch/metag/mm/fault.c @@ -53,8 +53,7 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, struct vm_area_struct *vma, *prev_vma; siginfo_t info; int fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | - (write_access ? FAULT_FLAG_WRITE : 0); + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; tsk = current; @@ -109,6 +108,8 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, if (in_atomic() || !mm) goto no_context; + if (user_mode(regs)) + flags |= FAULT_FLAG_USER; retry: down_read(&mm->mmap_sem); @@ -121,6 +122,7 @@ good_area: if (write_access) { if (!(vma->vm_flags & VM_WRITE)) goto bad_area; + flags |= FAULT_FLAG_WRITE; } else { if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) goto bad_area; @@ -224,8 +226,10 @@ do_sigbus: */ out_of_memory: up_read(&mm->mmap_sem); - if (user_mode(regs)) - do_group_exit(SIGKILL); + if (user_mode(regs)) { + pagefault_out_of_memory(); + return 1; + } no_context: /* Are we prepared to handle this kernel fault? */ diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c index d05b8455c44..11fa51c8961 100644 --- a/arch/metag/mm/init.c +++ b/arch/metag/mm/init.c @@ -12,7 +12,6 @@ #include <linux/percpu.h> #include <linux/memblock.h> #include <linux/initrd.h> -#include <linux/of_fdt.h> #include <asm/setup.h> #include <asm/page.h> @@ -149,7 +148,7 @@ static void __init bootmem_init_one_node(unsigned int nid) if (!p->node_spanned_pages) return; - end_pfn = p->node_start_pfn + p->node_spanned_pages; + end_pfn = pgdat_end_pfn(p); #ifdef CONFIG_HIGHMEM if (end_pfn > max_low_pfn) end_pfn = max_low_pfn; @@ -205,7 +204,8 @@ static void __init do_init_bootmem(void) start_pfn = memblock_region_memory_base_pfn(reg); end_pfn = memblock_region_memory_end_pfn(reg); memblock_set_node(PFN_PHYS(start_pfn), - PFN_PHYS(end_pfn - start_pfn), 0); + PFN_PHYS(end_pfn - start_pfn), + &memblock.memory, 0); } /* All of system RAM sits in node 0 for the non-NUMA case */ @@ -376,34 +376,21 @@ void __init paging_init(unsigned long mem_end) void __init mem_init(void) { - int nid; - #ifdef CONFIG_HIGHMEM unsigned long tmp; + + /* + * Explicitly reset zone->managed_pages because highmem pages are + * freed before calling free_all_bootmem(); + */ + reset_all_zones_managed_pages(); for (tmp = highstart_pfn; tmp < highend_pfn; tmp++) free_highmem_page(pfn_to_page(tmp)); - num_physpages += totalhigh_pages; #endif /* CONFIG_HIGHMEM */ - for_each_online_node(nid) { - pg_data_t *pgdat = NODE_DATA(nid); - unsigned long node_pages = 0; - - num_physpages += pgdat->node_present_pages; - - if (pgdat->node_spanned_pages) - node_pages = free_all_bootmem_node(pgdat); - - totalram_pages += node_pages; - } - - pr_info("Memory: %luk/%luk available\n", - (unsigned long)nr_free_pages() << (PAGE_SHIFT - 10), - num_physpages << (PAGE_SHIFT - 10)); - + free_all_bootmem(); + mem_init_print_info(NULL); show_mem(0); - - return; } void free_initmem(void) @@ -414,15 +401,7 @@ void free_initmem(void) #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { - free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd"); + free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM, + "initrd"); } #endif - -#ifdef CONFIG_OF_FLATTREE -void __init early_init_dt_setup_initrd_arch(unsigned long start, - unsigned long end) -{ - pr_err("%s(%lx, %lx)\n", - __func__, start, end); -} -#endif /* CONFIG_OF_FLATTREE */ diff --git a/arch/metag/mm/numa.c b/arch/metag/mm/numa.c index 9ae578c9b62..67b46c29507 100644 --- a/arch/metag/mm/numa.c +++ b/arch/metag/mm/numa.c @@ -34,7 +34,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) unsigned long pgdat_paddr; /* Don't allow bogus node assignment */ - BUG_ON(nid > MAX_NUMNODES || nid <= 0); + BUG_ON(nid >= MAX_NUMNODES || nid <= 0); start_pfn = start >> PAGE_SHIFT; end_pfn = end >> PAGE_SHIFT; @@ -42,7 +42,8 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end) memblock_add(start, end - start); memblock_set_node(PFN_PHYS(start_pfn), - PFN_PHYS(end_pfn - start_pfn), nid); + PFN_PHYS(end_pfn - start_pfn), + &memblock.memory, nid); /* Node-local pgdat */ pgdat_paddr = memblock_alloc_base(sizeof(struct pglist_data), |