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| author | Vyacheslav Cherkashin <v.cherkashin@samsung.com> | 2013-06-14 13:48:53 +0400 |
|---|---|---|
| committer | Vyacheslav Cherkashin <v.cherkashin@samsung.com> | 2013-06-14 13:48:53 +0400 |
| commit | 8cb77c42fba70f8de76b9fe6d24367fb3d88fd57 (patch) | |
| tree | e1cf913d3a70e20a887ca57b77249e5f7f71f224 /us_manager/helper.c | |
| parent | 663746d114b33f21aff9bf6c950f373aa984827a (diff) | |
| download | swap-modules-8cb77c42fba70f8de76b9fe6d24367fb3d88fd57.tar.gz swap-modules-8cb77c42fba70f8de76b9fe6d24367fb3d88fd57.tar.bz2 swap-modules-8cb77c42fba70f8de76b9fe6d24367fb3d88fd57.zip | |
[REFACTOR] redesign call_page_fault()
Diffstat (limited to 'us_manager/helper.c')
| -rw-r--r-- | us_manager/helper.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/us_manager/helper.c b/us_manager/helper.c index 4f9a1fd6..d2b8590b 100644 --- a/us_manager/helper.c +++ b/us_manager/helper.c @@ -40,11 +40,19 @@ static int entry_handler_pf(struct kretprobe_instance *ri, struct pt_regs *regs) static int ret_handler_pf(struct kretprobe_instance *ri, struct pt_regs *regs) { struct task_struct *task; - struct sspt_proc *proc; + unsigned long page_addr; + + task = current->group_leader; + if (is_kthread(task)) + return 0; - call_page_fault(((struct pf_data *)ri->data)->addr); + page_addr = ((struct pf_data *)ri->data)->addr & PAGE_MASK; + call_page_fault(task, page_addr); return 0; + + struct sspt_proc *proc; + /* * Because process threads have same address space * we instrument only group_leader of all this threads |