Author: cem
Date: Sun Apr 24 21:35:01 2016
New Revision: 298553
URL: https://svnweb.freebsd.org/changeset/base/298553
Log:
AMD64 pmap: Use howmany() macro
Use param.h howmany() instead of hand-rolled version.
Sponsored by: EMC / Isilon Storage Division
Modified:
head/sys/amd64/amd64/pmap.c
Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c Sun Apr 24 21:19:00 2016 (r298552)
+++ head/sys/amd64/amd64/pmap.c Sun Apr 24 21:35:01 2016 (r298553)
@@ -721,7 +721,7 @@ create_pagetables(vm_paddr_t *firstaddr)
pml4_entry_t *p4_p;
/* Allocate page table pages for the direct map */
- ndmpdp = (ptoa(Maxmem) + NBPDP - 1) >> PDPSHIFT;
+ ndmpdp = howmany(ptoa(Maxmem), NBPDP);
if (ndmpdp < 4) /* Minimum 4GB of dirmap */
ndmpdp = 4;
ndmpdpphys = howmany(ndmpdp, NPDPEPG);
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