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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-05-09 09:34:49 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-05-09 09:34:49 +0200
commit725d0123dfff3d7b666cf57f5d29c50addfc99d3 (patch)
tree12ec63b2c3965033f30185b4b2f5f12039a9a242 /drivers/nvdimm/pmem.c
parent8cd1f9d01cbf4f46eace90d9792e65a209c37d31 (diff)
parent44549e8f5eea4e0a41b487b63e616cb089922b99 (diff)
downloadlinux-725d0123dfff3d7b666cf57f5d29c50addfc99d3.tar.bz2
Merge 4.6-rc7 into char-misc-testing
This resolves a merge issue with drivers/hv/ring_buffer.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/nvdimm/pmem.c')
-rw-r--r--drivers/nvdimm/pmem.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index f798899338ed..5101f3ab4f29 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -397,10 +397,17 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn)
*/
start += start_pad;
npfns = (pmem->size - start_pad - end_trunc - SZ_8K) / SZ_4K;
- if (nd_pfn->mode == PFN_MODE_PMEM)
- offset = ALIGN(start + SZ_8K + 64 * npfns, nd_pfn->align)
+ if (nd_pfn->mode == PFN_MODE_PMEM) {
+ unsigned long memmap_size;
+
+ /*
+ * vmemmap_populate_hugepages() allocates the memmap array in
+ * HPAGE_SIZE chunks.
+ */
+ memmap_size = ALIGN(64 * npfns, HPAGE_SIZE);
+ offset = ALIGN(start + SZ_8K + memmap_size, nd_pfn->align)
- start;
- else if (nd_pfn->mode == PFN_MODE_RAM)
+ } else if (nd_pfn->mode == PFN_MODE_RAM)
offset = ALIGN(start + SZ_8K, nd_pfn->align) - start;
else
goto err;