提交 538ea4aa 编写于 作者: D Dan Williams

pmem, memremap: convert to numa aware allocations

Given that pmem ranges come with numa-locality hints, arrange for the
resulting driver objects to be obtained from node-local memory.
Reviewed-by: NTejun Heo <tj@kernel.org>
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>
上级 7eff93b7
......@@ -176,9 +176,10 @@ static void pmem_detach_disk(struct pmem_device *pmem)
static int pmem_attach_disk(struct device *dev,
struct nd_namespace_common *ndns, struct pmem_device *pmem)
{
int nid = dev_to_node(dev);
struct gendisk *disk;
pmem->pmem_queue = blk_alloc_queue(GFP_KERNEL);
pmem->pmem_queue = blk_alloc_queue_node(GFP_KERNEL, nid);
if (!pmem->pmem_queue)
return -ENOMEM;
......@@ -188,7 +189,7 @@ static int pmem_attach_disk(struct device *dev,
blk_queue_bounce_limit(pmem->pmem_queue, BLK_BOUNCE_ANY);
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, pmem->pmem_queue);
disk = alloc_disk(0);
disk = alloc_disk_node(0, nid);
if (!disk) {
blk_cleanup_queue(pmem->pmem_queue);
return -ENOMEM;
......
......@@ -114,7 +114,8 @@ void *devm_memremap(struct device *dev, resource_size_t offset,
{
void **ptr, *addr;
ptr = devres_alloc(devm_memremap_release, sizeof(*ptr), GFP_KERNEL);
ptr = devres_alloc_node(devm_memremap_release, sizeof(*ptr), GFP_KERNEL,
dev_to_node(dev));
if (!ptr)
return ERR_PTR(-ENOMEM);
......@@ -165,8 +166,8 @@ void *devm_memremap_pages(struct device *dev, struct resource *res)
if (is_ram == REGION_INTERSECTS)
return __va(res->start);
page_map = devres_alloc(devm_memremap_pages_release,
sizeof(*page_map), GFP_KERNEL);
page_map = devres_alloc_node(devm_memremap_pages_release,
sizeof(*page_map), GFP_KERNEL, dev_to_node(dev));
if (!page_map)
return ERR_PTR(-ENOMEM);
......
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