Merge commit 'v3.0-rc1' into kbuild/kbuild

1 files changed, 10 insertions, 9 deletions

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 5d6030235d7a..1d34d75366a7 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -375,7 +375,7 @@ nocache:
 	/* find starting point for our search */
 	if (free_vmap_cache) {
 		first = rb_entry(free_vmap_cache, struct vmap_area, rb_node);
-		addr = ALIGN(first->va_end + PAGE_SIZE, align);
+		addr = ALIGN(first->va_end, align);
 		if (addr < vstart)
 			goto nocache;
 		if (addr + size - 1 < addr)
@@ -406,10 +406,10 @@ nocache:
 	}
 
 	/* from the starting point, walk areas until a suitable hole is found */
-	while (addr + size >= first->va_start && addr + size <= vend) {
+	while (addr + size > first->va_start && addr + size <= vend) {
 		if (addr + cached_hole_size < first->va_start)
 			cached_hole_size = first->va_start - addr;
-		addr = ALIGN(first->va_end + PAGE_SIZE, align);
+		addr = ALIGN(first->va_end, align);
 		if (addr + size - 1 < addr)
 			goto overflow;
 
@@ -1534,6 +1534,7 @@ static void *__vmalloc_node(unsigned long size, unsigned long align,
 static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 				 pgprot_t prot, int node, void *caller)
 {
+	const int order = 0;
 	struct page **pages;
 	unsigned int nr_pages, array_size, i;
 	gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO;
@@ -1560,11 +1561,12 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 
 	for (i = 0; i < area->nr_pages; i++) {
 		struct page *page;
+		gfp_t tmp_mask = gfp_mask | __GFP_NOWARN;
 
 		if (node < 0)
-			page = alloc_page(gfp_mask);
+			page = alloc_page(tmp_mask);
 		else
-			page = alloc_pages_node(node, gfp_mask, 0);
+			page = alloc_pages_node(node, tmp_mask, order);
 
 		if (unlikely(!page)) {
 			/* Successfully allocated i pages, free them in __vunmap() */
@@ -1579,6 +1581,9 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
 	return area->addr;
 
 fail:
+	warn_alloc_failed(gfp_mask, order, "vmalloc: allocation failure, "
+			  "allocated %ld of %ld bytes\n",
+			  (area->nr_pages*PAGE_SIZE), area->size);
 	vfree(area->addr);
 	return NULL;
 }
@@ -2148,10 +2153,6 @@ struct vm_struct *alloc_vm_area(size_t size)
 		return NULL;
 	}
 
-	/* Make sure the pagetables are constructed in process kernel
-	   mappings */
-	vmalloc_sync_all();
-
 	return area;
 }
 EXPORT_SYMBOL_GPL(alloc_vm_area);