diff options
| author | Ian Dowse <iedowse@FreeBSD.org> | 2002-08-12 10:35:32 +0000 |
|---|---|---|
| committer | Ian Dowse <iedowse@FreeBSD.org> | 2002-08-12 10:35:32 +0000 |
| commit | d8a0d0795b0c4743a4fcb6d7a40029e9a7a68c55 (patch) | |
| tree | fee91acd1849a2fee4abafacf6e2bc8f9fd08368 /sys/i386 | |
| parent | e179b40f143d17822ba8bc0080385a23c182b20b (diff) | |
| download | src-d8a0d0795b0c4743a4fcb6d7a40029e9a7a68c55.tar.gz src-d8a0d0795b0c4743a4fcb6d7a40029e9a7a68c55.zip | |
Use roundup2() to avoid a problem where pmap_growkernel was unable
to extend the kernel VM to the maximum possible address of 4G-4M.
PR: i386/22441
Submitted by: Bill Carpenter <carp@world.std.com>
Reviewed by: alc
Notes
Notes:
svn path=/head/; revision=101721
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/pmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 8caf4151a32c..6aa04750b9b5 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1501,7 +1501,7 @@ pmap_growkernel(vm_offset_t addr) nkpt++; } } - addr = (addr + PAGE_SIZE * NPTEPG) & ~(PAGE_SIZE * NPTEPG - 1); + addr = roundup2(addr, PAGE_SIZE * NPTEPG); while (kernel_vm_end < addr) { if (pdir_pde(PTD, kernel_vm_end)) { kernel_vm_end = (kernel_vm_end + PAGE_SIZE * NPTEPG) & ~(PAGE_SIZE * NPTEPG - 1); |