Merge branch 'akpm' (patches from Andrew)

Merge updates from Andrew Morton:
 "A few little subsystems and a start of a lot of MM patches.

  Subsystems affected by this patch series: squashfs, ocfs2, parisc,
  vfs. With mm subsystems: slab-generic, slub, debug, pagecache, gup,
  swap, memcg, pagemap, memory-failure, vmalloc, kasan"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (128 commits)
  kasan: move kasan_report() into report.c
  mm/mm_init.c: report kasan-tag information stored in page->flags
  ubsan: entirely disable alignment checks under UBSAN_TRAP
  kasan: fix clang compilation warning due to stack protector
  x86/mm: remove vmalloc faulting
  mm: remove vmalloc_sync_(un)mappings()
  x86/mm/32: implement arch_sync_kernel_mappings()
  x86/mm/64: implement arch_sync_kernel_mappings()
  mm/ioremap: track which page-table levels were modified
  mm/vmalloc: track which page-table levels were modified
  mm: add functions to track page directory modifications
  s390: use __vmalloc_node in stack_alloc
  powerpc: use __vmalloc_node in alloc_vm_stack
  arm64: use __vmalloc_node in arch_alloc_vmap_stack
  mm: remove vmalloc_user_node_flags
  mm: switch the test_vmalloc module to use __vmalloc_node
  mm: remove __vmalloc_node_flags_caller
  mm: remove both instances of __vmalloc_node_flags
  mm: remove the prot argument to __vmalloc_node
  mm: remove the pgprot argument to __vmalloc
  ...

1 files changed, 18 insertions, 28 deletions

diff --git a/mm/nommu.c b/mm/nommu.c
index 318df4e236c9..dfae55f41901 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -140,7 +140,7 @@ void vfree(const void *addr)
 }
 EXPORT_SYMBOL(vfree);
 
-void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
+void *__vmalloc(unsigned long size, gfp_t gfp_mask)
 {
 	/*
 	 *  You can't specify __GFP_HIGHMEM with kmalloc() since kmalloc()
@@ -150,16 +150,25 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
 }
 EXPORT_SYMBOL(__vmalloc);
 
-void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags)
+void *__vmalloc_node_range(unsigned long size, unsigned long align,
+		unsigned long start, unsigned long end, gfp_t gfp_mask,
+		pgprot_t prot, unsigned long vm_flags, int node,
+		const void *caller)
 {
-	return __vmalloc(size, flags, PAGE_KERNEL);
+	return __vmalloc(size, gfp_mask);
+}
+
+void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+		int node, const void *caller)
+{
+	return __vmalloc(size, gfp_mask);
 }
 
 static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
 {
 	void *ret;
 
-	ret = __vmalloc(size, flags, PAGE_KERNEL);
+	ret = __vmalloc(size, flags);
 	if (ret) {
 		struct vm_area_struct *vma;
 
@@ -179,12 +188,6 @@ void *vmalloc_user(unsigned long size)
 }
 EXPORT_SYMBOL(vmalloc_user);
 
-void *vmalloc_user_node_flags(unsigned long size, int node, gfp_t flags)
-{
-	return __vmalloc_user_flags(size, flags | __GFP_ZERO);
-}
-EXPORT_SYMBOL(vmalloc_user_node_flags);
-
 struct page *vmalloc_to_page(const void *addr)
 {
 	return virt_to_page(addr);
@@ -230,7 +233,7 @@ long vwrite(char *buf, char *addr, unsigned long count)
  */
 void *vmalloc(unsigned long size)
 {
-       return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
+       return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM);
 }
 EXPORT_SYMBOL(vmalloc);
 
@@ -248,8 +251,7 @@ EXPORT_SYMBOL(vmalloc);
  */
 void *vzalloc(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
-			PAGE_KERNEL);
+	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO);
 }
 EXPORT_SYMBOL(vzalloc);
 
@@ -302,7 +304,7 @@ EXPORT_SYMBOL(vzalloc_node);
 
 void *vmalloc_exec(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
+	return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM);
 }
 
 /**
@@ -314,7 +316,7 @@ void *vmalloc_exec(unsigned long size)
  */
 void *vmalloc_32(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL);
+	return __vmalloc(size, GFP_KERNEL);
 }
 EXPORT_SYMBOL(vmalloc_32);
 
@@ -351,7 +353,7 @@ void vunmap(const void *addr)
 }
 EXPORT_SYMBOL(vunmap);
 
-void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t prot)
+void *vm_map_ram(struct page **pages, unsigned int count, int node)
 {
 	BUG();
 	return NULL;
@@ -369,18 +371,6 @@ void vm_unmap_aliases(void)
 }
 EXPORT_SYMBOL_GPL(vm_unmap_aliases);
 
-/*
- * Implement a stub for vmalloc_sync_[un]mapping() if the architecture
- * chose not to have one.
- */
-void __weak vmalloc_sync_mappings(void)
-{
-}
-
-void __weak vmalloc_sync_unmappings(void)
-{
-}
-
 struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes)
 {
 	BUG();