PT1_NR_UPACKETS
pt1->tables[i].bufs[j].page->upackets[PT1_NR_UPACKETS-1]
__le32 upackets[PT1_NR_UPACKETS];
if (!page->upackets[PT1_NR_UPACKETS - 1])
for (i = 0; i < PT1_NR_UPACKETS; i++) {
page->upackets[PT1_NR_UPACKETS - 1] = 0;
page->upackets[PT1_NR_UPACKETS - 1] = 0;