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| H A D | vm_page.h | diff 6fbaf6859cc866e2f48da00e619edd7446691d5d Thu Dec 12 22:13:20 CET 2019 Mark Johnston <markj@FreeBSD.org> Implement atomic state updates using the new vm_page_astate_t structure.
Introduce primitives vm_page_astate_load() and vm_page_astate_fcmpset()
to operate on the 32-bit per-page atomic state. Modify
vm_page_pqstate_fcmpset() to use them. No functional change intended.
Introduce PGA_QUEUE_OP_MASK, a subset of PGA_QUEUE_STATE_MASK that only
includes queue operation flags. This will be used in subsequent
patches.
Reviewed by: alc, jeff, kib
Sponsored by: Netflix, Intel
Differential Revision: https://reviews.freebsd.org/D22753
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