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...ith 1G memory on qemu. > - do kernel building > - after several seconds check more than 512MB is used with free command > - command "balloon 512" in qemu monitor > - check hundreds MB of pages are migrated Another simple test is several instances of tools/testing/selftests/vm/transhuge-stress.c runnng in parallel with balloon inflating/deflating. (transparent huge pages must be enabled of course) That catched a lot of races in ballooning code. > > My thanks to Konstantin Khlebnikov for his reviews of the RFC patch set. > Most of the changes were based on his feedback....

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for

From: Gioh Kim <gurugio at hanmail.net> Hello, This series try to enable migration of non-LRU pages, such as driver's page. My ARM-based platform occured severe fragmentation problem after long-term (several days) test. Sometimes even order-3 page allocation failed. It has memory size 512MB ~ 1024MB. 30% ~ 40% memory is consumed for graphic processing and 20~30 memory is reserved for