Jeff Roberson c75757481f Replace redundant code with a few new vm_page_grab facilities: ... - VM_ALLOC_NOCREAT will grab without creating a page. - vm_page_grab_valid() will grab and page in if necessary. - vm_page_busy_acquire() automates some busy acquire loops. Discussed with: alc, kib, markj Tested by: pho (part of larger branch) Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D21546		2019-09-10 19:08:01 +00:00
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common	Revert r351076 and r351074 because of atomic_swap_64 on 32-bit platforms	2019-08-15 15:27:58 +00:00
uts	Replace redundant code with a few new vm_page_grab facilities:	2019-09-10 19:08:01 +00:00
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