On 7/28/07, Alan Cox [off-list ref] wrote:

Actual physical disk ops are precious resource and anything that mostly
reduces the number will be a win - not to stay swap prefetch is the right
answer but accidentally or otherwise there are good reasons it may happen
to help.

Bigger more linear chunks of writeout/readin is much more important I
suspect than swap prefetching.

<nod>. The larger the chunks are that we swap out, the less it
actually hurts to swap, which might make all this a moot point. Not
all I/O is created equal...

Ray

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>