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| author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-10-06 08:56:43 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-10-06 08:56:43 +0100 |
| commit | 301a36fa700f9add6e14f5a95c7573e01578343a (patch) | |
| tree | 6ff94ff3b08b838353b9127eb5f8055b3de6b25f /kernel/memremap.c | |
| parent | b828f960215f02e5d2c88bbd27565c694254a15a (diff) | |
| parent | b60752f2b20c167859943e001727f0d4da419b23 (diff) | |
| download | linux-301a36fa700f9add6e14f5a95c7573e01578343a.tar.bz2 | |
Merge branches 'misc' and 'sa1111-base' into for-linus
Diffstat (limited to 'kernel/memremap.c')
| -rw-r--r-- | kernel/memremap.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/memremap.c b/kernel/memremap.c index 251d16b4cb41..b501e390bb34 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -247,6 +247,7 @@ static void devm_memremap_pages_release(struct device *dev, void *data) align_start = res->start & ~(SECTION_SIZE - 1); align_size = ALIGN(resource_size(res), SECTION_SIZE); arch_remove_memory(align_start, align_size); + untrack_pfn(NULL, PHYS_PFN(align_start), align_size); pgmap_radix_release(res); dev_WARN_ONCE(dev, pgmap->altmap && pgmap->altmap->alloc, "%s: failed to free all reserved pages\n", __func__); @@ -282,6 +283,7 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, struct percpu_ref *ref, struct vmem_altmap *altmap) { resource_size_t key, align_start, align_size, align_end; + pgprot_t pgprot = PAGE_KERNEL; struct dev_pagemap *pgmap; struct page_map *page_map; int error, nid, is_ram; @@ -351,6 +353,11 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, if (nid < 0) nid = numa_mem_id(); + error = track_pfn_remap(NULL, &pgprot, PHYS_PFN(align_start), 0, + align_size); + if (error) + goto err_pfn_remap; + error = arch_add_memory(nid, align_start, align_size, true); if (error) goto err_add_memory; @@ -371,6 +378,8 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, return __va(res->start); err_add_memory: + untrack_pfn(NULL, PHYS_PFN(align_start), align_size); + err_pfn_remap: err_radix: pgmap_radix_release(res); devres_free(page_map); |