Messages in this thread | | | Subject | Re: 2.4.14 + Bug in swap_out. | From | (Eric W. Biederman) | Date | 21 Nov 2001 06:31:51 -0700 |
| |
Rik van Riel <riel@conectiva.com.br> writes:
> On 20 Nov 2001, Eric W. Biederman wrote: > > "David S. Miller" <davem@redhat.com> writes: > > > > > I do not agree with your analysis. > > > > Neither do I now but not for your reasons :) > > > > I looked again we are o.k. but just barely. mmput explicitly checks > > to see if it is freeing the swap_mm, and fixes if we are. It is a > > nasty interplay with the swap_mm global, but the code is correct. > > To be honest I don't see the reason for this subtle > playing with swap_mm in mmput(), since the refcounting > should mean we're safe.
We only hold a ref count for the duration of swap_out_mm. Not for the duration of the value in swap_mm.
Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |