Messages in this thread | | | Date | Mon, 13 Oct 2003 05:05:54 -0400 (EDT) | From | Zwane Mwaikambo <> | Subject | Re: [PATCH][2.6] No swapping on memory backed swapfiles |
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On Mon, 13 Oct 2003, Andrew Morton wrote:
> Zwane Mwaikambo <zwane@arm.linux.org.uk> wrote: > > > > + bdi = mapping->backing_dev_info; > > + if (bdi->memory_backed) > > + goto bad_swap; > > + > > I guess that makes sense, although someone might want to swap onto a > ramdisk-backed file just for some testing purpose. > > Why not simply test for a null ->readpage()?
That was my initial intention, but then i wondered why someone would be swapping to a memory backed filesystem in the first place. Also things like ramfs have ->readpage(). - 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/
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