[PATCH 2/2] doc/vm/page_owner.rst: Fix table display confusion

[Haowen Bai <baihaowen@meizu.com>]

After make htmldocs, the table which is made of tab will
display all by one line. so we make a standard table for STANDARD
FORMAT SPECIFIERS description.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
 Documentation/vm/page_owner.rst | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst
index 422d5fa99e84..a8505e3a3044 100644
--- a/Documentation/vm/page_owner.rst
+++ b/Documentation/vm/page_owner.rst
@@ -174,22 +174,28 @@ STANDARD FORMAT SPECIFIERS
 
 For --sort option:
 
-	KEY		LONG		DESCRIPTION
-	p		pid		process ID
-	tg		tgid		thread group ID
-	n		name		task command name
-	st		stacktrace	stack trace of the page allocation
-	T		txt		full text of block
-	ft		free_ts		timestamp of the page when it was released
-	at		alloc_ts	timestamp of the page when it was allocated
+        ====            ==========      ============================================
+        KEY             LONG            DESCRIPTION
+        ====            ==========      ============================================
+        p               pid             process ID
+        tg              tgid            thread group ID
+        n               name            task command name
+        st              stacktrace      stack trace of the page allocation
+        T               txt             full text of block
+        ft              free_ts         timestamp of the page when it was released
+        at              alloc_ts        timestamp of the page when it was allocated
         ator            allocator       memory allocator for pages
+        ====            ==========      ============================================
 
 For --curl option:
 
-	KEY		LONG		DESCRIPTION
-	p		pid		process ID
-	tg		tgid		thread group ID
-	n		name		task command name
-	f		free		whether the page has been released or not
-	st		stacktrace	stack trace of the page allocation
+        ====            ===========     ============================================
+        KEY             LONG            DESCRIPTION
+        ====            ===========     ============================================
+        p               pid             process ID
+        tg              tgid            thread group ID
+        n               name            task command name
+        f               free            whether the page has been released or not
+        st              stacktrace      stack trace of the page allocation
         ator            allocator       memory allocator for pages
+        ====            ===========     ============================================
-- 
2.7.4