Hugh Dickins wrote:
On Wed, 14 Feb 2007, Nick Piggin wrote:
Can't you have migration without swap?
Yes: but then the only swap entry it can find (short of page
table corruption, which isn't really the focus of mincore)
is a migration entry, isn't it?
Just doesn't seem logical to have CONFIG_SWAP ifdef cover the
whole thing, regardless that it produces the desired result.
I'm going to submit a fixup patch to Linus covering all this
stuff, after making a more comprehensive test case (yes I
actually did test this patch with a few different cases before
submitting it, so I must have been unlucky with uninitialised
data).
If he wants to apply it rather than back out the patch entirely,
its up to him.
I don't think there is any reason to panic. I did completely
forget the result vector, but AFAIKS that's the only real bug
in it.
--
SUSE Labs, Novell Inc.
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