On (08/18/17 00:05), Laurent Dufour wrote:
[..]
> + /*
> + * MPOL_INTERLEAVE implies additional check in mpol_misplaced() which
> + * are not compatible with the speculative page fault processing.
> + */
> + pol = __get_vma_policy(vma, address);
> + if (!pol)
> + pol = get_task_policy(current);
> + if (pol && pol->mode == MPOL_INTERLEAVE)
> + goto unlock;
include/linux/mempolicy.h defines
struct mempolicy *get_task_policy(struct task_struct *p);
struct mempolicy *__get_vma_policy(struct vm_area_struct *vma,
unsigned long addr);
only for CONFIG_NUMA configs.
-ss
