Merge branch 'linus' into x86/core

Conflicts:
	arch/x86/kernel/genapic_64.c
	include/asm-x86/kvm_host.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 7 insertions, 8 deletions

diff --git a/kernel/dma-coherent.c b/kernel/dma-coherent.c
index 7517115a8cce..c1d4d5b4c61c 100644
--- a/kernel/dma-coherent.c
+++ b/kernel/dma-coherent.c
@@ -77,15 +77,14 @@ void *dma_mark_declared_memory_occupied(struct device *dev,
 {
         struct dma_coherent_mem *mem = dev->dma_mem;
         int pos, err;
-        int pages = (size + (device_addr & ~PAGE_MASK) + PAGE_SIZE - 1);
 
-        pages >>= PAGE_SHIFT;
+        size += device_addr & ~PAGE_MASK;
 
         if (!mem)
                 return ERR_PTR(-EINVAL);
 
         pos = (device_addr - mem->device_base) >> PAGE_SHIFT;
-        err = bitmap_allocate_region(mem->bitmap, pos, get_order(pages));
+        err = bitmap_allocate_region(mem->bitmap, pos, get_order(size));
         if (err != 0)
                 return ERR_PTR(err);
         return mem->virt_base + (pos << PAGE_SHIFT);
@@ -93,7 +92,7 @@ void *dma_mark_declared_memory_occupied(struct device *dev,
 EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
 
 /**
- * Try to allocate memory from the per-device coherent area.
+ * dma_alloc_from_coherent() - try to allocate memory from the per-device coherent area
  *
  * @dev:        device from which we allocate memory
  * @size:       size of requested memory area
@@ -101,11 +100,11 @@ EXPORT_SYMBOL(dma_mark_declared_memory_occupied);
  * @ret:        This pointer will be filled with the virtual address
  *              to allocated area.
  *
- * This function should be only called from per-arch %dma_alloc_coherent()
+ * This function should be only called from per-arch dma_alloc_coherent()
  * to support allocation from per-device coherent memory pools.
  *
  * Returns 0 if dma_alloc_coherent should continue with allocating from
- * generic memory areas, or !0 if dma_alloc_coherent should return %ret.
+ * generic memory areas, or !0 if dma_alloc_coherent should return @ret.
  */
 int dma_alloc_from_coherent(struct device *dev, ssize_t size,
                                        dma_addr_t *dma_handle, void **ret)
@@ -127,7 +126,7 @@ int dma_alloc_from_coherent(struct device *dev, ssize_t size,
 }
 
 /**
- * Try to free the memory allocated from per-device coherent memory pool.
+ * dma_release_from_coherent() - try to free the memory allocated from per-device coherent memory pool
  * @dev:        device from which the memory was allocated
  * @order:      the order of pages allocated
  * @vaddr:      virtual address of allocated pages
@@ -136,7 +135,7 @@ int dma_alloc_from_coherent(struct device *dev, ssize_t size,
  * coherent memory pool and if so, releases that memory.
  *
  * Returns 1 if we correctly released the memory, or 0 if
- * %dma_release_coherent() should proceed with releasing memory from
+ * dma_release_coherent() should proceed with releasing memory from
  * generic pools.
  */
 int dma_release_from_coherent(struct device *dev, int order, void *vaddr)