device-dax: Kill dax_region base
Nothing consumes this attribute of a region and devres otherwise remembers the value for de-allocation purposes. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Родитель
21b9e97950
Коммит
93694f9630
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@ -19,7 +19,6 @@
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/**
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* struct dax_region - mapping infrastructure for dax devices
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* @id: kernel-wide unique region for a memory range
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* @base: linear address corresponding to @res
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* @kref: to pin while other agents have a need to do lookups
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* @dev: parent device backing this region
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* @align: allocation and mapping alignment for child dax devices
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@ -28,7 +27,6 @@
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*/
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struct dax_region {
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int id;
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void *base;
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struct kref kref;
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struct device *dev;
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unsigned int align;
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@ -17,9 +17,8 @@ struct dev_dax;
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struct resource;
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struct dax_region;
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void dax_region_put(struct dax_region *dax_region);
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struct dax_region *alloc_dax_region(struct device *parent,
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int region_id, struct resource *res, unsigned int align,
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void *addr, unsigned long flags);
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struct dax_region *alloc_dax_region(struct device *parent, int region_id,
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struct resource *res, unsigned int align, unsigned long flags);
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struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region,
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int id, struct resource *res, int count);
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#endif /* __DEVICE_DAX_H__ */
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@ -100,7 +100,7 @@ static void dax_region_unregister(void *region)
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}
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struct dax_region *alloc_dax_region(struct device *parent, int region_id,
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struct resource *res, unsigned int align, void *addr,
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struct resource *res, unsigned int align,
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unsigned long pfn_flags)
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{
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struct dax_region *dax_region;
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@ -130,7 +130,6 @@ struct dax_region *alloc_dax_region(struct device *parent, int region_id,
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dax_region->id = region_id;
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dax_region->align = align;
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dax_region->dev = parent;
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dax_region->base = addr;
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if (sysfs_create_groups(&parent->kobj, dax_region_attribute_groups)) {
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kfree(dax_region);
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return NULL;
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@ -125,7 +125,7 @@ static int dax_pmem_probe(struct device *dev)
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return -EINVAL;
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dax_region = alloc_dax_region(dev, region_id, &res,
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le32_to_cpu(pfn_sb->align), addr, PFN_DEV|PFN_MAP);
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le32_to_cpu(pfn_sb->align), PFN_DEV|PFN_MAP);
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if (!dax_region)
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return -ENOMEM;
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