PGO_NOTIMESTAMP
if ((flags & PGO_NOTIMESTAMP) == 0) {
if ((flags & PGO_NOTIMESTAMP) == 0 &&
#define PAGERFLAGS (PGO_SYNCIO | PGO_NOBLOCKALLOC | PGO_NOTIMESTAMP)
PGO_NOTIMESTAMP | PGO_GLOCKHELD);
PGO_NOTIMESTAMP | PGO_GLOCKHELD);
PGO_NOTIMESTAMP);
PGO_NOTIMESTAMP;
int gpflags = flags | PGO_NOTIMESTAMP | PGO_SYNCIO;
&npages, 0, VM_PROT_READ, UVM_ADV_RANDOM, PGO_NOTIMESTAMP);