perf metric: Add expr__add_id function

[linux-2.6-microblaze.git] / mm / debug.c

diff --git a/mm/debug.c b/mm/debug.c
index b5b1de8..4f37651 100644 (file)
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -120,9 +120,9 @@ void __dump_page(struct page *page, const char *reason)
                 * mapping can be invalid pointer and we don't want to crash
                 * accessing it, so probe everything depending on it carefully
                 */
-               if (probe_kernel_read(&host, &mapping->host,
+               if (copy_from_kernel_nofault(&host, &mapping->host,
                                        sizeof(struct inode *)) ||
-                   probe_kernel_read(&a_ops, &mapping->a_ops,
+                   copy_from_kernel_nofault(&a_ops, &mapping->a_ops,
                                sizeof(struct address_space_operations *))) {
                        pr_warn("failed to read mapping->host or a_ops, mapping not a valid kernel address?\n");
                        goto out_mapping;
@@ -133,7 +133,7 @@ void __dump_page(struct page *page, const char *reason)
                        goto out_mapping;
                }
 
-               if (probe_kernel_read(&dentry_first,
+               if (copy_from_kernel_nofault(&dentry_first,
                        &host->i_dentry.first, sizeof(struct hlist_node *))) {
                        pr_warn("mapping->a_ops:%ps with invalid mapping->host inode address %px\n",
                                a_ops, host);
@@ -146,7 +146,7 @@ void __dump_page(struct page *page, const char *reason)
                }
 
                dentry_ptr = container_of(dentry_first, struct dentry, d_u.d_alias);
-               if (probe_kernel_read(&dentry, dentry_ptr,
+               if (copy_from_kernel_nofault(&dentry, dentry_ptr,
                                                        sizeof(struct dentry))) {
                        pr_warn("mapping->aops:%ps with invalid mapping->host->i_dentry.first %px\n",
                                a_ops, dentry_ptr);