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| author | Dan Williams <dan.j.williams@intel.com> | 2015-10-05 20:35:56 -0400 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2015-10-09 17:00:33 -0400 |
| commit | 538ea4aa44737127ce2b5c8511c7349d2abdcf9c (patch) | |
| tree | 51bd65690420cef7d6eb5bf0348588a39dd8c436 | |
| parent | 7eff93b7c99f5d0024aee677c6c92e32af22e1d2 (diff) | |
| download | blackbird-op-linux-538ea4aa44737127ce2b5c8511c7349d2abdcf9c.tar.gz blackbird-op-linux-538ea4aa44737127ce2b5c8511c7349d2abdcf9c.zip | |
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: Tejun Heo <tj@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| -rw-r--r-- | drivers/nvdimm/pmem.c | 5 | ||||
| -rw-r--r-- | kernel/memremap.c | 7 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 9805d311b1d1..349f03e7ed06 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -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; diff --git a/kernel/memremap.c b/kernel/memremap.c index 56fc4783879c..3218e8b1fc28 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -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); |
