svn commit: r297785 - head/sys/powerpc/booke
Justin Hibbits
jhibbits at FreeBSD.org
Sun Apr 10 15:50:47 UTC 2016
Author: jhibbits
Date: Sun Apr 10 15:50:45 2016
New Revision: 297785
URL: https://svnweb.freebsd.org/changeset/base/297785
Log:
VM_MAXUSER_ADDRESS is highest page start, not highest address.
In case a single page mapping is requested first, which might overlap the user
address space, fix the device map block to the next page.
Modified:
head/sys/powerpc/booke/pmap.c
Modified: head/sys/powerpc/booke/pmap.c
==============================================================================
--- head/sys/powerpc/booke/pmap.c Sun Apr 10 15:48:09 2016 (r297784)
+++ head/sys/powerpc/booke/pmap.c Sun Apr 10 15:50:45 2016 (r297785)
@@ -192,7 +192,7 @@ static tlb_entry_t tlb1[TLB1_MAXENTRIES]
/* Next free entry in the TLB1 */
static unsigned int tlb1_idx;
-static vm_offset_t tlb1_map_base = VM_MAXUSER_ADDRESS;
+static vm_offset_t tlb1_map_base = VM_MAXUSER_ADDRESS + PAGE_SIZE;
static tlbtid_t tid_alloc(struct pmap *);
static void tid_flush(tlbtid_t tid);
More information about the svn-src-all
mailing list