diff options
Diffstat (limited to 'arch/ia64/mm')
| -rw-r--r-- | arch/ia64/mm/discontig.c | 11 | ||||
| -rw-r--r-- | arch/ia64/mm/fault.c | 22 | ||||
| -rw-r--r-- | arch/ia64/mm/init.c | 34 | ||||
| -rw-r--r-- | arch/ia64/mm/numa.c | 1 | ||||
| -rw-r--r-- | arch/ia64/mm/tlb.c | 4 |
5 files changed, 46 insertions, 26 deletions
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 791d4176e4a6..73d0db36edb6 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -608,17 +608,11 @@ void __init paging_init(void) zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page)); } -#ifdef CONFIG_MEMORY_HOTPLUG -pg_data_t *arch_alloc_nodedata(int nid) +pg_data_t * __init arch_alloc_nodedata(int nid) { unsigned long size = compute_pernodesize(nid); - return kzalloc(size, GFP_KERNEL); -} - -void arch_free_nodedata(pg_data_t *pgdat) -{ - kfree(pgdat); + return memblock_alloc(size, SMP_CACHE_BYTES); } void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat) @@ -626,7 +620,6 @@ void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat) pgdat_list[update_node] = update_pgdat; scatter_node_data(); } -#endif #ifdef CONFIG_SPARSEMEM_VMEMMAP int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node, diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 02de2e70c587..ef78c2d66cdd 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -139,6 +139,10 @@ retry: if (fault_signal_pending(fault, regs)) return; + /* The fault is fully completed (including releasing mmap lock) */ + if (fault & VM_FAULT_COMPLETED) + return; + if (unlikely(fault & VM_FAULT_ERROR)) { /* * We ran out of memory, or some other thing happened @@ -156,17 +160,15 @@ retry: BUG(); } - if (flags & FAULT_FLAG_ALLOW_RETRY) { - if (fault & VM_FAULT_RETRY) { - flags |= FAULT_FLAG_TRIED; + if (fault & VM_FAULT_RETRY) { + flags |= FAULT_FLAG_TRIED; - /* No need to mmap_read_unlock(mm) as we would - * have already released it in __lock_page_or_retry - * in mm/filemap.c. - */ + /* No need to mmap_read_unlock(mm) as we would + * have already released it in __lock_page_or_retry + * in mm/filemap.c. + */ - goto retry; - } + goto retry; } mmap_read_unlock(mm); @@ -259,7 +261,7 @@ retry: regs = NULL; bust_spinlocks(0); if (regs) - do_exit(SIGKILL); + make_task_dead(SIGKILL); return; out_of_memory: diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 5d165607bf35..fc4e4217e87f 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -273,7 +273,7 @@ static int __init gate_vma_init(void) gate_vma.vm_start = FIXADDR_USER_START; gate_vma.vm_end = FIXADDR_USER_END; gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; - gate_vma.vm_page_prot = __P101; + gate_vma.vm_page_prot = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX); return 0; } @@ -437,9 +437,7 @@ mem_init (void) if (iommu_detected) break; #endif -#ifdef CONFIG_SWIOTLB - swiotlb_init(1); -#endif + swiotlb_init(true, SWIOTLB_VERBOSE); } while (0); #ifdef CONFIG_FLATMEM @@ -451,7 +449,7 @@ mem_init (void) memblock_free_all(); /* - * For fsyscall entrpoints with no light-weight handler, use the ordinary + * For fsyscall entrypoints with no light-weight handler, use the ordinary * (heavy-weight) handler, but mark it by setting bit 0, so the fsyscall entry * code can tell them apart. */ @@ -492,3 +490,29 @@ void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap) __remove_pages(start_pfn, nr_pages, altmap); } #endif + +static const pgprot_t protection_map[16] = { + [VM_NONE] = PAGE_NONE, + [VM_READ] = PAGE_READONLY, + [VM_WRITE] = PAGE_READONLY, + [VM_WRITE | VM_READ] = PAGE_READONLY, + [VM_EXEC] = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | + _PAGE_AR_X_RX), + [VM_EXEC | VM_READ] = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | + _PAGE_AR_RX), + [VM_EXEC | VM_WRITE] = PAGE_COPY_EXEC, + [VM_EXEC | VM_WRITE | VM_READ] = PAGE_COPY_EXEC, + [VM_SHARED] = PAGE_NONE, + [VM_SHARED | VM_READ] = PAGE_READONLY, + [VM_SHARED | VM_WRITE] = PAGE_SHARED, + [VM_SHARED | VM_WRITE | VM_READ] = PAGE_SHARED, + [VM_SHARED | VM_EXEC] = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | + _PAGE_AR_X_RX), + [VM_SHARED | VM_EXEC | VM_READ] = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | + _PAGE_AR_RX), + [VM_SHARED | VM_EXEC | VM_WRITE] = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | + _PAGE_AR_RWX), + [VM_SHARED | VM_EXEC | VM_WRITE | VM_READ] = __pgprot(__ACCESS_BITS | _PAGE_PL_3 | + _PAGE_AR_RWX) +}; +DECLARE_VM_GET_PAGE_PROT diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c index d6579ec3ea32..4c7b1f50e3b7 100644 --- a/arch/ia64/mm/numa.c +++ b/arch/ia64/mm/numa.c @@ -75,5 +75,6 @@ int memory_add_physaddr_to_nid(u64 addr) return 0; return nid; } +EXPORT_SYMBOL(memory_add_physaddr_to_nid); #endif #endif diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c index 135b5135cace..ca060e7a2a46 100644 --- a/arch/ia64/mm/tlb.c +++ b/arch/ia64/mm/tlb.c @@ -174,7 +174,7 @@ __setup("nptcg=", set_nptcg); * override table (in which case we should ignore the value from * PAL_VM_SUMMARY). * - * Kernel parameter "nptcg=" overrides maximum number of simultanesous ptc.g + * Kernel parameter "nptcg=" overrides maximum number of simultaneous ptc.g * purges defined in either PAL_VM_SUMMARY or PAL override table. In this case, * we should ignore the value from either PAL_VM_SUMMARY or PAL override table. * @@ -516,7 +516,7 @@ found: if (i >= per_cpu(ia64_tr_num, cpu)) return -EBUSY; - /*Record tr info for mca hander use!*/ + /*Record tr info for mca handler use!*/ if (i > per_cpu(ia64_tr_used, cpu)) per_cpu(ia64_tr_used, cpu) = i; |