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Sergey Senozhatsky
a7a0350583
ZRAM_MEMORY_TRACKING enables two features: - per-entry ac-time tracking - debugfs interface The latter one is the reason why memory-tracking depends on DEBUG_FS, while the former one is used far beyond debugging these days. Namely ac-time is used for fine grained writeback of idle entries (pages). Move ac-time tracking under its own config option so that it can be enabled (along with writeback) on systems without DEBUG_FS. [[email protected]: ifdef fixup, per Dmytro] Link: https://lkml.kernel.org/r/[email protected] Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Sergey Senozhatsky <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Dmytro Maluka <[email protected]> Signed-off-by: Andrew Morton <[email protected]>