diff options
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage-radix.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-radix.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 95207c117b82..0aa9cade422f 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -50,6 +50,9 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, struct hstate *h = hstate_file(file); struct vm_unmapped_area_info info; + if (unlikely(addr > mm->context.addr_limit && addr < TASK_SIZE)) + mm->context.addr_limit = TASK_SIZE; + if (len & ~huge_page_mask(h)) return -EINVAL; if (len > mm->context.addr_limit) @@ -78,5 +81,9 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, info.high_limit = current->mm->mmap_base; info.align_mask = PAGE_MASK & ~huge_page_mask(h); info.align_offset = 0; + + if (addr > DEFAULT_MAP_WINDOW) + info.high_limit += mm->context.addr_limit - DEFAULT_MAP_WINDOW; + return vm_unmapped_area(&info); } |