diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2019-04-17 18:29:13 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-04-21 23:12:39 +1000 |
| commit | a35a3c6f60657812366fca86a9ce71df1b8f7aff (patch) | |
| tree | 65add16dc7417ce679c2a79c9dba00f0c2b5b341 /arch/powerpc/mm | |
| parent | ef629cc5bf0543eb57d6e344ba776880ac35fd00 (diff) | |
| download | linux-a35a3c6f60657812366fca86a9ce71df1b8f7aff.tar.bz2 | |
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')
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable-radix.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 2 |
3 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 6a2d315495a3..f6ffe8545717 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -1013,6 +1013,7 @@ void __init hash__early_init_mmu(void) __vmalloc_start = H_VMALLOC_START; __vmalloc_end = H_VMALLOC_END; __kernel_io_start = H_KERN_IO_START; + __kernel_io_end = H_KERN_IO_END; vmemmap = (struct page *)H_VMEMMAP_BASE; ioremap_bot = IOREMAP_BASE; diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index 45869fd698a0..4c1a9843d0f2 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -605,6 +605,7 @@ void __init radix__early_init_mmu(void) __vmalloc_start = RADIX_VMALLOC_START; __vmalloc_end = RADIX_VMALLOC_END; __kernel_io_start = RADIX_KERN_IO_START; + __kernel_io_end = RADIX_KERN_IO_END; vmemmap = (struct page *)RADIX_VMEMMAP_BASE; ioremap_bot = IOREMAP_BASE; 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; |