On Tue, 14 Apr 2015 16:09:44 -0700
Jason Low <[email protected]> wrote:
> @@ -2088,7 +2088,7 @@ void task_numa_fault(int last_cpupid, int mem_node, int
> pages, int flags)
>
> static void reset_ptenuma_scan(struct task_struct *p)
> {
> - ACCESS_ONCE(p->mm->numa_scan_seq)++;
> + WRITE_ONCE(p->mm->numa_scan_seq, READ_ONCE(p->mm->numa_scan_seq) + 1);
Is the READ_ONCE() inside the WRITE_ONCE() really necessary?
> p->mm->numa_scan_offset = 0;
> }
>
-- Steve
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