Merge branch 'akpm' (patches from Andrew)

Merge more updates from Andrew Morton:

 - some of the rest of MM

 - various misc things

 - dynamic-debug updates

 - checkpatch

 - some epoll speedups

 - autofs

 - rapidio

 - lib/, lib/lzo/ updates

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (83 commits)
  samples/mic/mpssd/mpssd.h: remove duplicate header
  kernel/fork.c: remove duplicated include
  include/linux/relay.h: fix percpu annotation in struct rchan
  arch/nios2/mm/fault.c: remove duplicate include
  unicore32: stop printing the virtual memory layout
  MAINTAINERS: fix GTA02 entry and mark as orphan
  mm: create the new vm_fault_t type
  arm, s390, unicore32: remove oneliner wrappers for memblock_alloc()
  arch: simplify several early memory allocations
  openrisc: simplify pte_alloc_one_kernel()
  sh: prefer memblock APIs returning virtual address
  microblaze: prefer memblock API returning virtual address
  powerpc: prefer memblock APIs returning virtual address
  lib/lzo: separate lzo-rle from lzo
  lib/lzo: implement run-length encoding
  lib/lzo: fast 8-byte copy on arm64
  lib/lzo: 64-bit CTZ on arm64
  lib/lzo: tidy-up ifdefs
  ipc/sem.c: replace kvmalloc/memset with kvzalloc and use struct_size
  ipc: annotate implicit fall through
  ...

14 files changed, 48 insertions, 59 deletions

diff --git a/arch/powerpc/configs/mpc512x_defconfig b/arch/powerpc/configs/mpc512x_defconfig
index c2b1c4404683..e4bfb1101c0e 100644
--- a/arch/powerpc/configs/mpc512x_defconfig
+++ b/arch/powerpc/configs/mpc512x_defconfig
@@ -120,6 +120,5 @@ CONFIG_NFS_FS=y
 CONFIG_ROOT_NFS=y
 CONFIG_NLS_CODEPAGE_437=y
 CONFIG_NLS_ISO8859_1=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
 # CONFIG_ENABLE_MUST_CHECK is not set
 # CONFIG_CRYPTO_HW is not set
diff --git a/arch/powerpc/configs/ppc6xx_defconfig b/arch/powerpc/configs/ppc6xx_defconfig
index 53687c3a70c4..7c6baf6df139 100644
--- a/arch/powerpc/configs/ppc6xx_defconfig
+++ b/arch/powerpc/configs/ppc6xx_defconfig
@@ -1123,7 +1123,6 @@ CONFIG_NLS_ISO8859_15=m
 CONFIG_NLS_KOI8_R=m
 CONFIG_NLS_KOI8_U=m
 CONFIG_DEBUG_INFO=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
 CONFIG_UNUSED_SYMBOLS=y
 CONFIG_HEADERS_CHECK=y
 CONFIG_MAGIC_SYSRQ=y
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index b8480127793d..8c890c6557ed 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -28,7 +28,7 @@
 static void *__init alloc_paca_data(unsigned long size, unsigned long align,
 				unsigned long limit, int cpu)
 {
-	unsigned long pa;
+	void *ptr;
 	int nid;
 
 	/*
@@ -43,17 +43,15 @@ static void *__init alloc_paca_data(unsigned long size, unsigned long align,
 		nid = early_cpu_to_node(cpu);
 	}
 
-	pa = memblock_alloc_base_nid(size, align, limit, nid, MEMBLOCK_NONE);
-	if (!pa) {
-		pa = memblock_alloc_base(size, align, limit);
-		if (!pa)
-			panic("cannot allocate paca data");
-	}
+	ptr = memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
+				     limit, nid);
+	if (!ptr)
+		panic("cannot allocate paca data");
 
 	if (cpu == boot_cpuid)
 		memblock_set_bottom_up(false);
 
-	return __va(pa);
+	return ptr;
 }
 
 #ifdef CONFIG_PPC_PSERIES
@@ -119,7 +117,6 @@ static struct slb_shadow * __init new_slb_shadow(int cpu, unsigned long limit)
 	}
 
 	s = alloc_paca_data(sizeof(*s), L1_CACHE_BYTES, limit, cpu);
-	memset(s, 0, sizeof(*s));
 
 	s->persistent = cpu_to_be32(SLB_NUM_BOLTED);
 	s->buffer_length = cpu_to_be32(sizeof(*s));
@@ -223,7 +220,6 @@ void __init allocate_paca(int cpu)
 	paca = alloc_paca_data(sizeof(struct paca_struct), L1_CACHE_BYTES,
 				limit, cpu);
 	paca_ptrs[cpu] = paca;
-	memset(paca, 0, sizeof(struct paca_struct));
 
 	initialise_paca(paca, cpu);
 #ifdef CONFIG_PPC_PSERIES
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index e7534f306c8e..f17868e19e2c 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -459,8 +459,8 @@ void __init smp_setup_cpu_maps(void)
 
 	DBG("smp_setup_cpu_maps()\n");
 
-	cpu_to_phys_id = __va(memblock_phys_alloc(nr_cpu_ids * sizeof(u32), __alignof__(u32)));
-	memset(cpu_to_phys_id, 0, nr_cpu_ids * sizeof(u32));
+	cpu_to_phys_id = memblock_alloc(nr_cpu_ids * sizeof(u32),
+					__alignof__(u32));
 
 	for_each_node_by_type(dn, "cpu") {
 		const __be32 *intserv;
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index daa361fc6a24..ff0aac42bb33 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -902,8 +902,9 @@ static void __ref init_fallback_flush(void)
 	 * hardware prefetch runoff. We don't have a recipe for load patterns to
 	 * reliably avoid the prefetcher.
 	 */
-	l1d_flush_fallback_area = __va(memblock_alloc_base(l1d_size * 2, l1d_size, limit));
-	memset(l1d_flush_fallback_area, 0, l1d_size * 2);
+	l1d_flush_fallback_area = memblock_alloc_try_nid(l1d_size * 2,
+						l1d_size, MEMBLOCK_LOW_LIMIT,
+						limit, NUMA_NO_NODE);
 
 	for_each_possible_cpu(cpu) {
 		struct paca_struct *paca = paca_ptrs[cpu];
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 4aa0797000f7..3d4b2399192f 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -908,9 +908,9 @@ static void __init htab_initialize(void)
 #ifdef CONFIG_DEBUG_PAGEALLOC
 	if (debug_pagealloc_enabled()) {
 		linear_map_hash_count = memblock_end_of_DRAM() >> PAGE_SHIFT;
-		linear_map_hash_slots = __va(memblock_alloc_base(
-				linear_map_hash_count, 1, ppc64_rma_size));
-		memset(linear_map_hash_slots, 0, linear_map_hash_count);
+		linear_map_hash_slots = memblock_alloc_try_nid(
+				linear_map_hash_count, 1, MEMBLOCK_LOW_LIMIT,
+				ppc64_rma_size,	NUMA_NO_NODE);
 	}
 #endif /* CONFIG_DEBUG_PAGEALLOC */
 
diff --git a/arch/powerpc/mm/pgtable-book3e.c b/arch/powerpc/mm/pgtable-book3e.c
index e0ccf36714b2..53cbc7dc2df2 100644
--- a/arch/powerpc/mm/pgtable-book3e.c
+++ b/arch/powerpc/mm/pgtable-book3e.c
@@ -57,12 +57,8 @@ void vmemmap_remove_mapping(unsigned long start,
 
 static __ref void *early_alloc_pgtable(unsigned long size)
 {
-	void *pt;
-
-	pt = __va(memblock_alloc_base(size, size, __pa(MAX_DMA_ADDRESS)));
-	memset(pt, 0, size);
-
-	return pt;
+	return memblock_alloc_try_nid(size, size, MEMBLOCK_LOW_LIMIT,
+				      __pa(MAX_DMA_ADDRESS), NUMA_NO_NODE);
 }
 
 /*
diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c
index e7da590c7a78..92a3e4c39540 100644
--- a/arch/powerpc/mm/pgtable-book3s64.c
+++ b/arch/powerpc/mm/pgtable-book3s64.c
@@ -195,11 +195,8 @@ void __init mmu_partition_table_init(void)
 	unsigned long ptcr;
 
 	BUILD_BUG_ON_MSG((PATB_SIZE_SHIFT > 36), "Partition table size too large.");
-	partition_tb = __va(memblock_alloc_base(patb_size, patb_size,
-						MEMBLOCK_ALLOC_ANYWHERE));
-
 	/* Initialize the Partition Table with no entries */
-	memset((void *)partition_tb, 0, patb_size);
+	partition_tb = memblock_alloc(patb_size, patb_size);
 
 	/*
 	 * update partition table control register,
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index dced3cd241c2..e377684ac6ad 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -51,26 +51,15 @@ static int native_register_process_table(unsigned long base, unsigned long pg_sz
 static __ref void *early_alloc_pgtable(unsigned long size, int nid,
 			unsigned long region_start, unsigned long region_end)
 {
-	unsigned long pa = 0;
-	void *pt;
+	phys_addr_t min_addr = MEMBLOCK_LOW_LIMIT;
+	phys_addr_t max_addr = MEMBLOCK_ALLOC_ANYWHERE;
 
-	if (region_start || region_end) /* has region hint */
-		pa = memblock_alloc_range(size, size, region_start, region_end,
-						MEMBLOCK_NONE);
-	else if (nid != -1) /* has node hint */
-		pa = memblock_alloc_base_nid(size, size,
-						MEMBLOCK_ALLOC_ANYWHERE,
-						nid, MEMBLOCK_NONE);
+	if (region_start)
+		min_addr = region_start;
+	if (region_end)
+		max_addr = region_end;
 
-	if (!pa)
-		pa = memblock_alloc_base(size, size, MEMBLOCK_ALLOC_ANYWHERE);
-
-	BUG_ON(!pa);
-
-	pt = __va(pa);
-	memset(pt, 0, size);
-
-	return pt;
+	return memblock_alloc_try_nid(size, size, min_addr, max_addr, nid);
 }
 
 static int early_map_kernel_page(unsigned long ea, unsigned long pa,
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 2d5b0d50fb31..6c8a60b1e31d 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -339,8 +339,7 @@ void __init MMU_init_hw(void)
 	 * Find some memory for the hash table.
 	 */
 	if ( ppc_md.progress ) ppc_md.progress("hash:find piece", 0x322);
-	Hash = __va(memblock_phys_alloc(Hash_size, Hash_size));
-	memset(Hash, 0, Hash_size);
+	Hash = memblock_alloc(Hash_size, Hash_size);
 	_SDR1 = __pa(Hash) | SDR1_LOW_BITS;
 
 	Hash_end = (struct hash_pte *) ((unsigned long)Hash + Hash_size);
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index bbeb6a1b0393..86368e238f6e 100644
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -208,7 +208,9 @@ static int __init iob_init(struct device_node *dn)
 	pr_debug(" -> %s\n", __func__);
 
 	/* For 2G space, 8x64 pages (2^21 bytes) is max total l2 size */
-	iob_l2_base = (u32 *)__va(memblock_alloc_base(1UL<<21, 1UL<<21, 0x80000000));
+	iob_l2_base = memblock_alloc_try_nid_raw(1UL << 21, 1UL << 21,
+					MEMBLOCK_LOW_LIMIT, 0x80000000,
+					NUMA_NO_NODE);
 
 	pr_info("IOBMAP L2 allocated at: %p\n", iob_l2_base);
 
@@ -269,4 +271,3 @@ void __init iommu_init_early_pasemi(void)
 	pasemi_pci_controller_ops.dma_bus_setup = pci_dma_bus_setup_pasemi;
 	set_pci_dma_ops(&dma_iommu_ops);
 }
-
diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 2ca3ba95f8aa..727a7de08635 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -170,8 +170,7 @@ int __init early_init_dt_scan_recoverable_ranges(unsigned long node,
 	/*
 	 * Allocate a buffer to hold the MC recoverable ranges.
 	 */
-	mc_recoverable_range =__va(memblock_phys_alloc(size, __alignof__(u64)));
-	memset(mc_recoverable_range, 0, size);
+	mc_recoverable_range = memblock_alloc(size, __alignof__(u64));
 
 	for (i = 0; i < mc_recoverable_range_len; i++) {
 		mc_recoverable_range[i].start_addr =
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 41f62ca27c63..e4f0dfd4ae33 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -130,8 +130,13 @@ static void __init fwnmi_init(void)
 	 * It will be used in real mode mce handler, hence it needs to be
 	 * below RMA.
 	 */
-	mce_data_buf = __va(memblock_alloc_base(RTAS_ERROR_LOG_MAX * nr_cpus,
-					RTAS_ERROR_LOG_MAX, ppc64_rma_size));
+	mce_data_buf = memblock_alloc_try_nid_raw(RTAS_ERROR_LOG_MAX * nr_cpus,
+					RTAS_ERROR_LOG_MAX, MEMBLOCK_LOW_LIMIT,
+					ppc64_rma_size, NUMA_NO_NODE);
+	if (!mce_data_buf)
+		panic("Failed to allocate %d bytes below %pa for MCE buffer\n",
+		      RTAS_ERROR_LOG_MAX * nr_cpus, &ppc64_rma_size);
+
 	for_each_possible_cpu(i) {
 		paca_ptrs[i]->mce_data_buf = mce_data_buf +
 						(RTAS_ERROR_LOG_MAX * i);
@@ -140,8 +145,13 @@ static void __init fwnmi_init(void)
 #ifdef CONFIG_PPC_BOOK3S_64
 	/* Allocate per cpu slb area to save old slb contents during MCE */
 	size = sizeof(struct slb_entry) * mmu_slb_size * nr_cpus;
-	slb_ptr = __va(memblock_alloc_base(size, sizeof(struct slb_entry),
-					   ppc64_rma_size));
+	slb_ptr = memblock_alloc_try_nid_raw(size, sizeof(struct slb_entry),
+					MEMBLOCK_LOW_LIMIT, ppc64_rma_size,
+					NUMA_NO_NODE);
+	if (!slb_ptr)
+		panic("Failed to allocate %zu bytes below %pa for slb area\n",
+		      size, &ppc64_rma_size);
+
 	for_each_possible_cpu(i)
 		paca_ptrs[i]->mce_faulty_slbs = slb_ptr + (mmu_slb_size * i);
 #endif
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 809797dbe169..fc5c5c23303e 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -251,8 +251,11 @@ static void allocate_dart(void)
 	 * 16MB (1 << 24) alignment. We allocate a full 16Mb chuck since we
 	 * will blow up an entire large page anyway in the kernel mapping.
 	 */
-	dart_tablebase = __va(memblock_alloc_base(1UL<<24,
-						  1UL<<24, 0x80000000L));
+	dart_tablebase = memblock_alloc_try_nid_raw(SZ_16M, SZ_16M,
+					MEMBLOCK_LOW_LIMIT, SZ_2G,
+					NUMA_NO_NODE);
+	if (!dart_tablebase)
+		panic("Failed to allocate 16MB below 2GB for DART table\n");
 
 	/* There is no point scanning the DART space for leaks*/
 	kmemleak_no_scan((void *)dart_tablebase);