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path: root/drivers/nvdimm/pfn_devs.c
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Diffstat (limited to 'drivers/nvdimm/pfn_devs.c')
-rw-r--r--drivers/nvdimm/pfn_devs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index d6aa59ca68b9..ba9aa8475e6d 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -515,7 +515,7 @@ static unsigned long init_altmap_base(resource_size_t base)
static unsigned long init_altmap_reserve(resource_size_t base)
{
- unsigned long reserve = PHYS_PFN(SZ_8K);
+ unsigned long reserve = PFN_UP(SZ_8K);
unsigned long base_pfn = PHYS_PFN(base);
reserve += base_pfn - PFN_SECTION_ALIGN_DOWN(base_pfn);