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authorChristoph Lameter <clameter@sgi.com>2006-06-23 02:03:37 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-23 07:42:50 -0700
commit6c5240ae7f48c83fcaa8e24fa63e7eb09aba5651 (patch)
treefede2324f4348701e60758d7f894aae4b09cdc9a /net/bluetooth
parentd75a0fcda2cfc71b50e16dc89e0c32c57d427e85 (diff)
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[PATCH] Swapless page migration: modify core logic
Use the migration entries for page migration This modifies the migration code to use the new migration entries. It now becomes possible to migrate anonymous pages without having to add a swap entry. We add a couple of new functions to replace migration entries with the proper ptes. We cannot take the tree_lock for migrating anonymous pages anymore. However, we know that we hold the only remaining reference to the page when the page count reaches 1. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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