Frontswap provides a "transcendent memory" interface for swap pages.
The interface has various backends - such zcache, which can compress pages
resulting in performance benefits when low on memory. It also can help
substantially in virtualization environments - for details refer to the
mm: frontswap: config and doc files

Adds configuration and documentation files.

[v10: no change]
[v9: sysfs->debugfs; no longer need Doc/ABI file]
[v8: rebase to 3.0-rc4]
[v7: rebase to 3.0-rc3]
[v6: rebase to 3.0-rc1]
[v5: change config default to n]
[v4: rebase to 2.6.39]
Signed-off-by: Dan Magenheimer <>
Acked-by: Jan Beulich <>
Acked-by: Seth Jennings <>
Cc: Jeremy Fitzhardinge <>
Cc: Hugh Dickins <>
Cc: Johannes Weiner <>
Cc: Nitin Gupta <>
Cc: Matthew Wilcox <>
Cc: Chris Mason <>
Cc: Rik Riel <>
Cc: Andrew Morton <>
Signed-off-by: Konrad Rzeszutek Wilk <>
3 files changed