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Dan Magenheimer
10a7a07713
Allow Xen tmem shim to be built/loaded as a module. Xen self-ballooning and frontswap-selfshrinking are now also "lazily" initialized when the Xen tmem shim is loaded as a module, unless explicitly disabled by module parameters. Note runtime dependency disallows loading if cleancache/frontswap lazy initialization patches are not present. If built-in (not built as a module), the original mechanism of enabling via a kernel boot parameter is retained, but this should be considered deprecated. Note that module unload is explicitly not yet supported. [v1: Removed the [CLEANCACHE|FRONTSWAP]_HAS_LAZY_INIT ifdef] [v2: Squashed the xen/tmem: Remove the subsys call patch in] [[email protected]: fix build (disable_frontswap_selfshrinking undeclared)] Signed-off-by: Dan Magenheimer <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]> Signed-off-by: Bob Liu <[email protected]> Cc: Wanpeng Li <[email protected]> Cc: Andor Daam <[email protected]> Cc: Florian Schmaus <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Stefan Hengelein <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>