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Diffstat (limited to 'arch/powerpc/mm/pgtable-radix.c')
-rw-r--r--arch/powerpc/mm/pgtable-radix.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index bba168d02235..7be99fd9af15 100644
--- a/arch/powerpc/mm/pgtable-radix.c
+++ b/arch/powerpc/mm/pgtable-radix.c
@@ -267,6 +267,7 @@ static int __meminit create_physical_mapping(unsigned long start,
#else
int split_text_mapping = 0;
#endif
+ int psize;
start = _ALIGN_UP(start, PAGE_SIZE);
for (addr = start; addr < end; addr += mapping_size) {
@@ -280,13 +281,17 @@ static int __meminit create_physical_mapping(unsigned long start,
retry:
if (IS_ALIGNED(addr, PUD_SIZE) && gap >= PUD_SIZE &&
mmu_psize_defs[MMU_PAGE_1G].shift &&
- PUD_SIZE <= max_mapping_size)
+ PUD_SIZE <= max_mapping_size) {
mapping_size = PUD_SIZE;
- else if (IS_ALIGNED(addr, PMD_SIZE) && gap >= PMD_SIZE &&
- mmu_psize_defs[MMU_PAGE_2M].shift)
+ psize = MMU_PAGE_1G;
+ } else if (IS_ALIGNED(addr, PMD_SIZE) && gap >= PMD_SIZE &&
+ mmu_psize_defs[MMU_PAGE_2M].shift) {
mapping_size = PMD_SIZE;
- else
+ psize = MMU_PAGE_2M;
+ } else {
mapping_size = PAGE_SIZE;
+ psize = mmu_virtual_psize;
+ }
if (split_text_mapping && (mapping_size == PUD_SIZE) &&
(addr <= __pa_symbol(__init_begin)) &&
@@ -297,8 +302,10 @@ retry:
if (split_text_mapping && (mapping_size == PMD_SIZE) &&
(addr <= __pa_symbol(__init_begin)) &&
- (addr + mapping_size) >= __pa_symbol(_stext))
+ (addr + mapping_size) >= __pa_symbol(_stext)) {
mapping_size = PAGE_SIZE;
+ psize = mmu_virtual_psize;
+ }
if (mapping_size != previous_size) {
print_mapping(start, addr, previous_size);
@@ -316,6 +323,8 @@ retry:
rc = __map_kernel_page(vaddr, addr, prot, mapping_size, nid, start, end);
if (rc)
return rc;
+
+ update_page_count(psize, 1);
}
print_mapping(start, addr, mapping_size);