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authorKhang Nguyen <khang.nguyen.xv@rvc.renesas.com>2018-03-07 10:33:27 +0700
committerKhang Nguyen <khang.nguyen.xv@rvc.renesas.com>2018-03-22 13:36:54 +0700
commit8b9882947cf6e9508eacdf543bd88a07d88f6598 (patch)
tree393f858dd3a01b7b62513b5a975acaf1dbea2376 /meta-rcar-gen3/recipes-benchmark/glmark2/glmark2_git.bbappend
parent4fcaa8e59e35cecb3d80a9bdaa9f0cd8c164fb0c (diff)
rcar-gen3: systemd: Do not save file descriptors when restarting Weston
In systemd v234, systemd-logind may now be restarted without losing state, it stores the file descriptors (fd) for devices it manages in the system manager. [1] In graphic and multimedia configuration, above feature causes memory leak with the use case of restarting Weston: | root@salvator-x:~# cat /proc/meminfo | grep Cma | CmaTotal: 671744 kB | CmaFree: 629788 kB | root@salvator-x:~# | root@salvator-x:~# systemctl restart weston | root@salvator-x:~# | root@salvator-x:~# cat /proc/meminfo | grep Cma | CmaTotal: 671744 kB | CmaFree: 599404 kB Because the system continues allocating memory for the new session during the previous device fds still open. This commit avoids saving device fds into the system manager by setting "FileDescriptorStoreMax=0" [2] in "systemd-logind.service". [1] https://lists.freedesktop.org/archives/systemd-devel/2017-July/039308.html [2] https://www.freedesktop.org/software/systemd/man/systemd.service.html#FileDescriptorStoreMax= Signed-off-by: Khang Nguyen <khang.nguyen.xv@rvc.renesas.com> Signed-off-by: Takamitsu Honda <takamitsu.honda.pv@renesas.com>
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