f82dd310bb
According to markj@: pageproc contains the page daemon and laundry threads, which are responsible for managing the LRU page queues and writing back dirty pages. vmproc's main task is to swap out kernel stacks when the system is under memory pressure, and swap them back in when necessary. It's a somewhat legacy component of the system and isn't required. You can build a kernel without it by specifying "options NO_SWAPPING" (which is a somewhat misleading name), in which vm_swapout_dummy.c is compiled instead of vm_swapout.c. Based on this, we want pageproc to emulate kswapd, not vmproc. Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D18061 |
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