提交 872ebaa0 编写于 作者: G Guo Mengqi 提交者: Wang Wensheng

mm/sharepool: delete unused codes

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5QETC
CVE: NA

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

sp_make_share_k2u only supports vmalloc address now. Therefore, delete a
backup handle case.

Also master is guaranteed not be freed until master->node_list is emptied.
Signed-off-by: NGuo Mengqi <guomengqi3@huawei.com>
上级 e6a23a8d
......@@ -2657,12 +2657,11 @@ static int is_vmap_hugepage(unsigned long addr)
static unsigned long __sp_remap_get_pfn(unsigned long kva)
{
unsigned long pfn;
unsigned long pfn = -EINVAL;
/* sp_make_share_k2u only support vmalloc address */
if (is_vmalloc_addr((void *)kva))
pfn = vmalloc_to_pfn((void *)kva);
else
pfn = virt_to_pfn(kva);
return pfn;
}
......@@ -4073,11 +4072,6 @@ static int proc_usage_by_group(int id, void *p, void *data)
list_for_each_entry(spg_node, &spg->procs, proc_node) {
master = spg_node->master;
if (!master) {
pr_info("master is NULL! process %d, group %d\n",
spg_node->instat.tgid, id);
continue;
}
mm = master->mm;
tgid = master->instat.tgid;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册
反馈
建议
客服 返回
顶部