On Mon, 8 May 2006, Nick Piggin wrote:
Looks like a good patch, nice catch. You should run it past Hugh but tend to
agree it would be nice to reuse the out of line can_share_swap_page, which
would fold beautifully with PageSwapCache a constant 0.
True; but I think Hua's patch is good as is for now, to fix
that inefficiency. I do agree (as you know) that there's scope for
cleanup there, and that that function is badly named; but I'm still
unprepared to embark on the cleanup, so let's just get the fix in.