tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8cd9234c64c584432f6992fe944ca9e46ca8ea76
commit: 48c96a3685795e52903e60c7ee115e5e22e7d640 mm/page_owner: keep track of page owners
date: 6 months ago
coccinelle warnings: (new ones prefixed by >>)
>> mm/page_owner.c:217:1-3: WARNING: PTR_ERR_OR_ZERO can be used
vim +217 mm/page_owner.c
201
202 static const struct file_operations proc_page_owner_operations = {
203 .read = read_page_owner,
204 };
205
206 static int __init pageowner_init(void)
207 {
208 struct dentry *dentry;
209
210 if (!page_owner_inited) {
211 pr_info("page_owner is disabled\n");
212 return 0;
213 }
214
215 dentry = debugfs_create_file("page_owner", S_IRUSR, NULL,
216 NULL, &proc_page_owner_operations);
> 217 if (IS_ERR(dentry))
218 return PTR_ERR(dentry);
219
220 return 0;
221 }
222 module_init(pageowner_init)
---
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