Commit 00dbf42e authored by ZhaoLong Wang's avatar ZhaoLong Wang
Browse files

pipe: kabi: Reserve KABI slots for pipe_inode_info structure 

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8ZTLZ



--------------------------------

pipe_inode_info is a structure widely used in the kernel and occupies
168 bytes. In the three cache lines, three KABI slots can be reserved
for future expansion.

Signed-off-by: default avatarZhaoLong Wang <wangzhaolong1@huawei.com>
parent 8ca04592

include/linux/pipe_fs_i.h

+5 −0
Original line number Diff line number Diff line
@@ -2,6 +2,8 @@ 
#ifndef _LINUX_PIPE_FS_I_H

#define _LINUX_PIPE_FS_I_H



#include <linux/kabi.h>



#define PIPE_DEF_BUFFERS	16



#define PIPE_BUF_FLAG_LRU	0x01	/* page is on the LRU */
@@ -80,6 +82,9 @@ struct pipe_inode_info { 
#ifdef CONFIG_WATCH_QUEUE

	struct watch_queue *watch_queue;

#endif

	KABI_RESERVE(1)

	KABI_RESERVE(2)

	KABI_RESERVE(3)

};



/*