diff options
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/pmap.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index e293286..6eb6cef 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1806,13 +1806,15 @@ pmap_growkernel(vm_offset_t addr) } nkpg = vm_page_alloc(NULL, kernel_vm_end >> PDRSHIFT, - VM_ALLOC_NOOBJ | VM_ALLOC_SYSTEM | VM_ALLOC_WIRED); + VM_ALLOC_INTERRUPT | VM_ALLOC_NOOBJ | VM_ALLOC_WIRED | + VM_ALLOC_ZERO); if (nkpg == NULL) panic("pmap_growkernel: no memory to grow kernel"); nkpt++; - pmap_zero_page(nkpg); + if ((nkpg->flags & PG_ZERO) == 0) + pmap_zero_page(nkpg); ptppaddr = VM_PAGE_TO_PHYS(nkpg); newpdir = (pd_entry_t) (ptppaddr | PG_V | PG_RW | PG_A | PG_M); pdir_pde(PTD, kernel_vm_end) = newpdir; |
