[PATCH v2 01/12] uprobes: update outdated comment

Andrii Nakryiko
2024-07-01T22:39:42Z

There is no task_struct passed into get_user_pages_remote() anymore,
drop the parts of comment mentioning NULL tsk, it's just confusing at
this point.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
---
kernel/events/uprobes.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 99be2adedbc0..081821fd529a 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -2030,10 +2030,8 @@ static int is_trap_at_addr(struct mm_struct *mm, unsigned long vaddr)
goto out;

/*
- * The NULL 'tsk' here ensures that any faults that occur here
- * will not be accounted to the task. 'mm' *is* current->mm,
- * but we treat this as a 'remote' access since it is
- * essentially a kernel access to the memory.
+ * 'mm' *is* current->mm, but we treat this as a 'remote' access since
+ * it is essentially a kernel access to the memory.
*/
result = get_user_pages_remote(mm, vaddr, 1, FOLL_FORCE, &page, NULL);
if (result < 0)
--
2.43.0