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patch 4.0

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This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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44
deps/oblib/unittest/rpc/mem_frag.c vendored
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@ -1,15 +1,15 @@
/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
@ -18,19 +18,19 @@
#include <linux/tcp.h>
struct page_list {
struct page_list* next;
struct page_list *next;
};
static struct page_list* free_list;
static struct page_list *free_list;
uint64_t count = 0;
uint64_t count=0;
#define PG_ORDER 2
#define PG_ORDER 2
int __init mem_frag_init(void)
{
struct page* pg;
struct page_list* tmp;
struct page *pg;
struct page_list *tmp;
struct page_list *prev, *next;
free_list = NULL;
@ -38,18 +38,18 @@ int __init mem_frag_init(void)
pg = alloc_pages(GFP_KERNEL, PG_ORDER);
if (pg == NULL)
break;
tmp = (struct page_list*)page_address(pg);
tmp = (struct page_list *)page_address(pg);
tmp->next = free_list;
free_list = tmp;
count++;
// printk(KERN_DEBUG "PFN:%lu\n", page_to_pfn(pg));
//printk(KERN_DEBUG "PFN:%lu\n", page_to_pfn(pg));
}
printk(KERN_DEBUG "%s: alloc count:%llu\n", __func__, count);
if (free_list == NULL)
return -ENOMEM;
// free half of pages back to buddy.
//free half of pages back to buddy.
prev = free_list;
while (prev && prev->next) {
@ -66,7 +66,7 @@ int __init mem_frag_init(void)
void __exit mem_frag_exit(void)
{
struct page_list* tmp;
struct page_list *tmp;
while (free_list) {
tmp = free_list;