On Sat, 4 Feb 2006, Andrew Morton wrote:
> Paul Jackson <[email protected]> wrote:
> >
> > + if (unlikely(cpuset_mem_spread_check() &&
> > + (cachep->flags & SLAB_MEM_SPREAD) &&
> > + !in_interrupt())) {
> > + int nid = cpuset_mem_spread_node();
> > +
> > + if (nid != numa_node_id())
> > + return __cache_alloc_node(cachep, flags, nid);
> > + }
>
> Need a comment here explaining the mysterious !in_interrupt() check.
If we are in interrupt context then the current pointer may not be
meaningful. cpuset settings should not be applied for any memory
allocation.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]