1 files changed, 1 insertions(+), 0 deletions(-)
M pc/mmu.c
M pc/mmu.c => pc/mmu.c +1 -0
@@ 91,6 91,7 @@ static ulong *upt; /* 2nd level page table for struct User */
struct
{
+ Lock;
ulong addr; /* next available address for isa bus memory */
ulong end; /* one past available isa bus memory */
} isamemalloc;