[IMPROVE] Remove page_present() test on setting probe during start phase

diff --git a/driver/us_proc_inst.c b/driver/us_proc_inst.c
index 64613a5..ab2adbd 100644 (file)
--- a/driver/us_proc_inst.c
+++ b/driver/us_proc_inst.c
@@ -762,9 +762,7 @@ static void install_file_probes(struct task_struct *task, struct mm_struct *mm,
        for (i = 0; i < table_size; ++i) {
                head = &file->page_probes_table[i];
                hlist_for_each_entry_rcu(page, node, head, hlist) {
-                       if (page_present(mm, page->offset)) {
-                               register_us_page_probe(page, file, task);
-                       }
+                       register_us_page_probe(page, file, task);
                }
        }
 }