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* [PATCH 0/2] Configurable order free page reporting in hyper-v
@ 2022-09-29 10:24 Shradha Gupta
  2022-09-29 10:24 ` [PATCH 1/2] mm/page_reporting: Add checks for page_reporting_order param value Shradha Gupta
  2022-09-30  6:01 ` [PATCH v2 0/2] Configurable order free page reporting in hyper-v Shradha Gupta
  0 siblings, 2 replies; 13+ messages in thread
From: Shradha Gupta @ 2022-09-29 10:24 UTC (permalink / raw)
  To: Andrew Morton, linux-mm, linux-hyperv, linux-kernel
  Cc: Shradha Gupta, K. Y. Srinivasan, Haiyang Zhang, Stephen Hemminger,
	Wei Liu, Dexuan Cui, Shradha Gupta, Michael Kelley

Configurable order free page reporting is enabled in page_reporting
driver in mm tree. However, changes need to be made in drivers like
hyper-v's hv_balloon to make it aware of the page order.
These patches add support for the same.
In the page_reporting driver we export the page_reporting_order module
parameter. Following precedence is added in setting the reporting order
        a. Value of page_reporting_order parameter
        b. Value of order passed while registering with the driver
        c. default value (pageblock_order)
Besides this, in the page_reporting module a check is added to ensure
that whenever the page_reporting_order value is changed, it is within
the prescribed limits.

The hv_balloon side changes include consuming the exported
page_reporting_order. Making changes in reporting these variable order
free pages as cold discard hints to hyper-v and dropping and refining
checks that restrict the order to a minimum of 9(default).

Shradha Gupta (2):
  mm/page_reporting: Add checks for page_reporting_order param value
  hv_balloon: Add support for configurable order free page reporting

 drivers/hv/hv_balloon.c | 94 ++++++++++++++++++++++++++++++++---------
 mm/page_reporting.c 	 | 50 ++++++++++++++++++++++++++++++++++++++++-----
 2 file changed, 118 insertions(+), 26 deletions(-)

-- 
2.37.2



^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2022-10-28 10:42 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-09-29 10:24 [PATCH 0/2] Configurable order free page reporting in hyper-v Shradha Gupta
2022-09-29 10:24 ` [PATCH 1/2] mm/page_reporting: Add checks for page_reporting_order param value Shradha Gupta
2022-10-01  8:00   ` kernel test robot
2022-10-01  9:49   ` kernel test robot
2022-09-30  6:01 ` [PATCH v2 0/2] Configurable order free page reporting in hyper-v Shradha Gupta
2022-09-30  6:01   ` [PATCH v2 1/2] mm/page_reporting: Add checks for page_reporting_order param Shradha Gupta
2022-10-17 15:49     ` Michael Kelley (LINUX)
2022-10-26 15:33     ` Wei Liu
2022-10-27 20:22       ` Andrew Morton
2022-10-28 10:38         ` Wei Liu
2022-09-30  6:01   ` [PATCH v2 2/2] hv_balloon: Add support for configurable order free page reporting Shradha Gupta
2022-10-17 15:53     ` Michael Kelley (LINUX)
2022-10-28 10:42   ` [PATCH v2 0/2] Configurable order free page reporting in hyper-v Wei Liu

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