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authorChristoph Lameter <clameter@sgi.com>2008-02-04 22:29:19 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-05 09:44:18 -0800
commit3dfa5721f12c3d5a441448086bee156887daa961 (patch)
tree8ace8c3f842f8b626b762bb9d2a9b24d8e3bd130 /Documentation/sysctl
parent5dc331852848a38ca00a2817e5b98a1d0561b116 (diff)
Page allocator: get rid of the list of cold pages
We have repeatedly discussed if the cold pages still have a point. There is one way to join the two lists: Use a single list and put the cold pages at the end and the hot pages at the beginning. That way a single list can serve for both types of allocations. The discussion of the RFC for this and Mel's measurements indicate that there may not be too much of a point left to having separate lists for hot and cold pages (see http://marc.info/?t=119492914200001&r=1&w=2). Signed-off-by: Christoph Lameter <clameter@sgi.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Martin Bligh <mbligh@mbligh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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