Author: jtl Date: Mon Feb 12 17:27:50 2018 New Revision: 329171 URL: https://svnweb.freebsd.org/changeset/base/329171
Log: Mark the pages used for the initial page-table entries as wired. This makes them consistent with the way other page-table pages are allocated. It also provides the rest of the VM system a good clue that these pages are used. Reviewed by: alc, kib, markj Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D14269 Modified: head/sys/amd64/amd64/pmap.c Modified: head/sys/amd64/amd64/pmap.c ============================================================================== --- head/sys/amd64/amd64/pmap.c Mon Feb 12 16:25:56 2018 (r329170) +++ head/sys/amd64/amd64/pmap.c Mon Feb 12 17:27:50 2018 (r329171) @@ -1244,7 +1244,9 @@ pmap_init(void) ("pmap_init: page table page is out of range")); mpte->pindex = pmap_pde_pindex(KERNBASE) + i; mpte->phys_addr = KPTphys + (i << PAGE_SHIFT); + mpte->wire_count = 1; } + atomic_add_int(&vm_cnt.v_wire_count, nkpt); /* * If the kernel is running on a virtual machine, then it must assume _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
