Merge branch 'akpm' (patches from Andrew)

Merge misc updates from Andrew Morton:
 "181 patches.

  Subsystems affected by this patch series: kbuild, scripts, ntfs,
  ocfs2, vfs, mm (slab, slub, kmemleak, dax, debug, pagecache, fadvise,
  gup, swap, memremap, memcg, selftests, pagemap, mincore, hmm, dma,
  memory-failure, vmallo and migration)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (181 commits)
  mm/migrate: remove obsolete comment about device public
  mm/migrate: remove cpages-- in migrate_vma_finalize()
  mm, oom_adj: don't loop through tasks in __set_oom_adj when not necessary
  memblock: use separate iterators for memory and reserved regions
  memblock: implement for_each_reserved_mem_region() using __next_mem_region()
  memblock: remove unused memblock_mem_size()
  x86/setup: simplify reserve_crashkernel()
  x86/setup: simplify initrd relocation and reservation
  arch, drivers: replace for_each_membock() with for_each_mem_range()
  arch, mm: replace for_each_memblock() with for_each_mem_pfn_range()
  memblock: reduce number of parameters in for_each_mem_range()
  memblock: make memblock_debug and related functionality private
  memblock: make for_each_memblock_type() iterator private
  mircoblaze: drop unneeded NUMA and sparsemem initializations
  riscv: drop unneeded node initialization
  h8300, nds32, openrisc: simplify detection of memory extents
  arm64: numa: simplify dummy_numa_init()
  arm, xtensa: simplify initialization of high memory pages
  dma-contiguous: simplify cma_early_percent_memory()
  KVM: PPC: Book3S HV: simplify kvm_cma_reserve()
  ...

1 files changed, 20 insertions, 26 deletions

diff --git a/mm/dmapool.c b/mm/dmapool.c
index f9fb9bbd733e..a97c97232337 100644
--- a/mm/dmapool.c
+++ b/mm/dmapool.c
@@ -266,6 +266,7 @@ static void pool_free_page(struct dma_pool *pool, struct dma_page *page)
  */
 void dma_pool_destroy(struct dma_pool *pool)
 {
+	struct dma_page *page, *tmp;
 	bool empty = false;
 
 	if (unlikely(!pool))
@@ -281,17 +282,13 @@ void dma_pool_destroy(struct dma_pool *pool)
 		device_remove_file(pool->dev, &dev_attr_pools);
 	mutex_unlock(&pools_reg_lock);
 
-	while (!list_empty(&pool->page_list)) {
-		struct dma_page *page;
-		page = list_entry(pool->page_list.next,
-				  struct dma_page, page_list);
+	list_for_each_entry_safe(page, tmp, &pool->page_list, page_list) {
 		if (is_page_busy(page)) {
 			if (pool->dev)
-				dev_err(pool->dev,
-					"dma_pool_destroy %s, %p busy\n",
+				dev_err(pool->dev, "%s %s, %p busy\n", __func__,
 					pool->name, page->vaddr);
 			else
-				pr_err("dma_pool_destroy %s, %p busy\n",
+				pr_err("%s %s, %p busy\n", __func__,
 				       pool->name, page->vaddr);
 			/* leak the still-in-use consistent memory */
 			list_del(&page->page_list);
@@ -355,12 +352,11 @@ void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
 			if (data[i] == POOL_POISON_FREED)
 				continue;
 			if (pool->dev)
-				dev_err(pool->dev,
-					"dma_pool_alloc %s, %p (corrupted)\n",
-					pool->name, retval);
+				dev_err(pool->dev, "%s %s, %p (corrupted)\n",
+					__func__, pool->name, retval);
 			else
-				pr_err("dma_pool_alloc %s, %p (corrupted)\n",
-					pool->name, retval);
+				pr_err("%s %s, %p (corrupted)\n",
+					__func__, pool->name, retval);
 
 			/*
 			 * Dump the first 4 bytes even if they are not
@@ -416,12 +412,11 @@ void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t dma)
 	if (!page) {
 		spin_unlock_irqrestore(&pool->lock, flags);
 		if (pool->dev)
-			dev_err(pool->dev,
-				"dma_pool_free %s, %p/%lx (bad dma)\n",
-				pool->name, vaddr, (unsigned long)dma);
+			dev_err(pool->dev, "%s %s, %p/%pad (bad dma)\n",
+				__func__, pool->name, vaddr, &dma);
 		else
-			pr_err("dma_pool_free %s, %p/%lx (bad dma)\n",
-			       pool->name, vaddr, (unsigned long)dma);
+			pr_err("%s %s, %p/%pad (bad dma)\n",
+			       __func__, pool->name, vaddr, &dma);
 		return;
 	}
 
@@ -432,12 +427,11 @@ void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t dma)
 	if ((dma - page->dma) != offset) {
 		spin_unlock_irqrestore(&pool->lock, flags);
 		if (pool->dev)
-			dev_err(pool->dev,
-				"dma_pool_free %s, %p (bad vaddr)/%pad\n",
-				pool->name, vaddr, &dma);
+			dev_err(pool->dev, "%s %s, %p (bad vaddr)/%pad\n",
+				__func__, pool->name, vaddr, &dma);
 		else
-			pr_err("dma_pool_free %s, %p (bad vaddr)/%pad\n",
-			       pool->name, vaddr, &dma);
+			pr_err("%s %s, %p (bad vaddr)/%pad\n",
+			       __func__, pool->name, vaddr, &dma);
 		return;
 	}
 	{
@@ -449,11 +443,11 @@ void dma_pool_free(struct dma_pool *pool, void *vaddr, dma_addr_t dma)
 			}
 			spin_unlock_irqrestore(&pool->lock, flags);
 			if (pool->dev)
-				dev_err(pool->dev, "dma_pool_free %s, dma %pad already free\n",
-					pool->name, &dma);
+				dev_err(pool->dev, "%s %s, dma %pad already free\n",
+					__func__, pool->name, &dma);
 			else
-				pr_err("dma_pool_free %s, dma %pad already free\n",
-				       pool->name, &dma);
+				pr_err("%s %s, dma %pad already free\n",
+				       __func__, pool->name, &dma);
 			return;
 		}
 	}