On Thu, Aug 11, 2016 at 3:16 PM, Al Viro <v...@zeniv.linux.org.uk> wrote: > > Huh? The very first thing it does is > char *kaddr = kmap_atomic(page), *p = kaddr + offset; > > If _that_ does not disable pagefaults, we are very deep in shit.
Right you are - it does, even with highmem disabled. Never mind, those pagefault_disabled/enabled() calls are clearly bogus. Linus