---

yaml
---
r: 65324
b: refs/heads/master
c: e46dc1d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bf0b48dfc368c07c42b5a3a5658c8ee81b4283ac
+refs/heads/master: e46dc1dab969550d4136e9be0e7919ca09e49573

trunk/fs/aio.c

@@ -1562,6 +1562,7 @@ int fastcall io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
 		fput(file);
 		return -EAGAIN;
 	}
+	req->ki_filp = file;
 	if (iocb->aio_flags & IOCB_FLAG_RESFD) {
 		/*
 		 * If the IOCB_FLAG_RESFD flag of aio_flags is set, get an
@@ -1576,7 +1577,6 @@ int fastcall io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
 		}
 	}
 
-	req->ki_filp = file;
 	ret = put_user(req->ki_key, &user_iocb->aio_key);
 	if (unlikely(ret)) {
 		dprintk("EFAULT: aio_key\n");

trunk/include/linux/writeback.h

@@ -127,7 +127,7 @@ int sync_page_range(struct inode *inode, struct address_space *mapping,
 			loff_t pos, loff_t count);
 int sync_page_range_nolock(struct inode *inode, struct address_space *mapping,
 			   loff_t pos, loff_t count);
-void set_page_dirty_balance(struct page *page);
+void set_page_dirty_balance(struct page *page, int page_mkwrite);
 void writeback_set_ratelimit(void);
 
 /* pdflush.c */

trunk/mm/filemap.c

@@ -1388,6 +1388,7 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	size = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
 	if (unlikely(vmf->pgoff >= size)) {
 		unlock_page(page);
+		page_cache_release(page);
 		goto outside_data_content;
 	}
 

trunk/mm/fremap.c

@@ -160,7 +160,7 @@ asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
 	if (vma->vm_private_data && !(vma->vm_flags & VM_NONLINEAR))
 		goto out;
 
-	if (!vma->vm_flags & VM_CAN_NONLINEAR)
+	if (!(vma->vm_flags & VM_CAN_NONLINEAR))
 		goto out;
 
 	if (end <= start || start < vma->vm_start || end > vma->vm_end)

trunk/mm/memory.c

@@ -1639,6 +1639,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	struct page *old_page, *new_page;
 	pte_t entry;
 	int reuse = 0, ret = 0;
+	int page_mkwrite = 0;
 	struct page *dirty_page = NULL;
 
 	old_page = vm_normal_page(vma, address, orig_pte);
@@ -1687,6 +1688,8 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			page_cache_release(old_page);
 			if (!pte_same(*page_table, orig_pte))
 				goto unlock;
+
+			page_mkwrite = 1;
 		}
 		dirty_page = old_page;
 		get_page(dirty_page);
@@ -1774,7 +1777,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		 * do_no_page is protected similarly.
 		 */
 		wait_on_page_locked(dirty_page);
-		set_page_dirty_balance(dirty_page);
+		set_page_dirty_balance(dirty_page, page_mkwrite);
 		put_page(dirty_page);
 	}
 	return ret;
@@ -2322,6 +2325,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 	struct page *dirty_page = NULL;
 	struct vm_fault vmf;
 	int ret;
+	int page_mkwrite = 0;
 
 	vmf.virtual_address = (void __user *)(address & PAGE_MASK);
 	vmf.pgoff = pgoff;
@@ -2398,6 +2402,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 					anon = 1; /* no anon but release vmf.page */
 					goto out;
 				}
+				page_mkwrite = 1;
 			}
 		}
 
@@ -2453,7 +2458,7 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 	if (anon)
 		page_cache_release(vmf.page);
 	else if (dirty_page) {
-		set_page_dirty_balance(dirty_page);
+		set_page_dirty_balance(dirty_page, page_mkwrite);
 		put_page(dirty_page);
 	}
 

trunk/mm/page-writeback.c

@@ -274,9 +274,9 @@ static void balance_dirty_pages(struct address_space *mapping)
 		pdflush_operation(background_writeout, 0);
 }
 
-void set_page_dirty_balance(struct page *page)
+void set_page_dirty_balance(struct page *page, int page_mkwrite)
 {
-	if (set_page_dirty(page)) {
+	if (set_page_dirty(page) || page_mkwrite) {
 		struct address_space *mapping = page_mapping(page);
 
 		if (mapping)