On 2008/05/12 22:33 +0900, Rik van Riel wrote:
quoted text
> On Mon, 12 May 2008 20:21:32 +0900
> Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
> 
>> So, the intention of this patch is
>> not to free a swap space of swap cache that has already swapped in
>> and only used one process as do_swap_page() does,
>> but to free a swap space that is only used as a swap cache
>> (not used by any processes), right?
> 
> No.  The code should also free the swap space of pages that are
> mapped by processes, in order to free up swap space for other
> uses.  This only happens if vm_swap_full() is true.
> 

OK.

I thought that current code cannot free the swap space
of pages that are mapped by processes(and I think it cannot),
so I asked the intention of this patch for clarification.


Thanks,
Daisuke Nishimura.

--
unsubscribe notice
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/