| Message ID | 20190315021940.86905-3-wangkefeng.wang@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | fix issue when acpi smmuv3 device alloc offline node memory | expand |
On 2019/3/15 10:19, Kefeng Wang wrote: > It maybe trigger some issue when the acpi device driver allocs memory > from an offline node, so use alternative acpi_map_pxm_to_online_node() > to find an online node, let's show infomation about proximity ID, mapped > offline node and the nearest online node returned. > > Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> > --- > drivers/acpi/numa.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c > index 7bbbf8256a41..064c771a7338 100644 > --- a/drivers/acpi/numa.c > +++ b/drivers/acpi/numa.c > @@ -121,6 +121,9 @@ int acpi_map_pxm_to_online_node(int pxm) > } > } > } > + if (min_node != node) > + pr_warn("IORT: PXM %d Mapped to offline node %d, choose nearest online node %d", > + pxm, node, min_node); Should remove IORT prefix, some other table like NFIT, DMAR have PXM filed, waiting for review. > > return min_node; > }
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 7bbbf8256a41..064c771a7338 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -121,6 +121,9 @@ int acpi_map_pxm_to_online_node(int pxm) } } } + if (min_node != node) + pr_warn("IORT: PXM %d Mapped to offline node %d, choose nearest online node %d", + pxm, node, min_node); return min_node; }
It maybe trigger some issue when the acpi device driver allocs memory from an offline node, so use alternative acpi_map_pxm_to_online_node() to find an online node, let's show infomation about proximity ID, mapped offline node and the nearest online node returned. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- drivers/acpi/numa.c | 3 +++ 1 file changed, 3 insertions(+)