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/freebsd-10.2-release/sys/vm/ | ||
H A D | vm_zeroidle.c | diff 82314 Sat Aug 25 05:00:44 MDT 2001 peter Implement idle zeroing of pages. I've been tinkering with this on and off since John Dyson left his work-in-progress. It is off by default for now. sysctl vm.zeroidle_enable=1 to turn it on. There are some hacks here to deal with the present lack of preemption - we yield after doing a small number of pages since we wont preempt otherwise. This is basically Matt's algorithm [with hysteresis] with an idle process to call it in a similar way it used to be called from the idle loop. I cleaned up the includes a fair bit here too. |
H A D | vm_page.h | diff 82314 Sat Aug 25 05:00:44 MDT 2001 peter Implement idle zeroing of pages. I've been tinkering with this on and off since John Dyson left his work-in-progress. It is off by default for now. sysctl vm.zeroidle_enable=1 to turn it on. There are some hacks here to deal with the present lack of preemption - we yield after doing a small number of pages since we wont preempt otherwise. This is basically Matt's algorithm [with hysteresis] with an idle process to call it in a similar way it used to be called from the idle loop. I cleaned up the includes a fair bit here too. |
H A D | vm_page.c | diff 82314 Sat Aug 25 05:00:44 MDT 2001 peter Implement idle zeroing of pages. I've been tinkering with this on and off since John Dyson left his work-in-progress. It is off by default for now. sysctl vm.zeroidle_enable=1 to turn it on. There are some hacks here to deal with the present lack of preemption - we yield after doing a small number of pages since we wont preempt otherwise. This is basically Matt's algorithm [with hysteresis] with an idle process to call it in a similar way it used to be called from the idle loop. I cleaned up the includes a fair bit here too. |
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