fault_in_subpage_writeable - Linux

Symbol: fault_in_subpage_writeable

fs/btrfs/ioctl.c

if (fault_in_subpage_writeable(ubuf + sk_offset, *buf_size - sk_offset)) {

include/linux/pagemap.h

size_t fault_in_subpage_writeable(char __user *uaddr, size_t size);

mm/gup.c

EXPORT_SYMBOL(fault_in_subpage_writeable);