Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- mm/mmap.c | 10 ++-------- 1 files changed, 2 insertions(+), 8 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index e92cbe5..f364677 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1989,20 +1989,14 @@ unsigned long do_brk(unsigned long addr, unsigned long len) if (!len) return addr; - if ((addr + len) > TASK_SIZE || (addr + len) < addr) - return -EINVAL; - - if (is_hugepage_only_range(mm, addr, len)) - return -EINVAL; - error = security_file_mmap(NULL, 0, 0, 0, addr, 1); if (error) return error; flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; - error = arch_mmap_check(addr, len, flags); - if (error) + error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED | flags); + if (error & ~PAGE_MASK) return error; /* -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
