From be6d98377ef82ab9580e602486b1fbdbbfcfc737 Mon Sep 17 00:00:00 2001
From: "wangyi.ywq" <wangyi.ywq@bytedance.com>
Date: Sat, 19 Mar 2022 15:57:04 +0800
Subject: [PATCH] fix mem_reserver in 5.10.35.bsk.1-amd64 #225

---
 terark-tools/mem_reserve/mem_reserve.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/terark-tools/mem_reserve/mem_reserve.c b/terark-tools/mem_reserve/mem_reserve.c
index defba39777..edeb476a24 100644
--- a/terark-tools/mem_reserve/mem_reserve.c
+++ b/terark-tools/mem_reserve/mem_reserve.c
@@ -15,6 +15,7 @@
 #include <linux/kallsyms.h>
 #include <linux/mmzone.h>
 #include <linux/nodemask.h>
+#include <linux/version.h>
 
 struct mem_reserve {
     unsigned long size;
@@ -93,7 +94,7 @@ static ssize_t size_write(struct file *file, const char __user *buf,
 
     return count;
 }
-
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(5,5,19)
 static const struct file_operations size_fops = {
     .open        = size_open,
     .read        = seq_read,
@@ -101,6 +102,15 @@ static const struct file_operations size_fops = {
     .llseek        = seq_lseek,
     .release    = single_release,
 };
+#else
+static const struct proc_ops size_fops = {
+    .proc_open        = size_open,
+    .proc_read        = seq_read,
+    .proc_write       = size_write,
+    .proc_lseek       = seq_lseek,
+    .proc_release     = single_release,
+};
+#endif
 
 static __init int mem_reserve_init(void)
 {