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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2019-04-17 15:59:13 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2019-04-21 16:12:39 +0300
commita35a3c6f60657812366fca86a9ce71df1b8f7aff (patch)
tree65add16dc7417ce679c2a79c9dba00f0c2b5b341 /arch/powerpc/mm/pgtable_64.c
parentef629cc5bf0543eb57d6e344ba776880ac35fd00 (diff)
downloadlinux-a35a3c6f60657812366fca86a9ce71df1b8f7aff.tar.xz
powerpc/mm/hash64: Add a variable to track the end of IO mapping
This makes it easy to update the region mapping in the later patch Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
-rw-r--r--arch/powerpc/mm/pgtable_64.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index fb1375c07e8c..7cea39bdf05f 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -98,6 +98,8 @@ unsigned long __vmalloc_end;
EXPORT_SYMBOL(__vmalloc_end);
unsigned long __kernel_io_start;
EXPORT_SYMBOL(__kernel_io_start);
+unsigned long __kernel_io_end;
+EXPORT_SYMBOL(__kernel_io_end);
struct page *vmemmap;
EXPORT_SYMBOL(vmemmap);
unsigned long __pte_frag_nr;