prev_end 2595 user/usertests.c char *i, *prev_end, *new_end; prev_end 2597 user/usertests.c prev_end = sbrklazy(REGION_SZ); prev_end 2598 user/usertests.c if (prev_end == (char *) SBRK_ERROR) { prev_end 2602 user/usertests.c new_end = prev_end + REGION_SZ; prev_end 2604 user/usertests.c for (i = prev_end + PGSIZE; i < new_end; i += 64 * PGSIZE) prev_end 2607 user/usertests.c for (i = prev_end + PGSIZE; i < new_end; i += 64 * PGSIZE) { prev_end 2624 user/usertests.c char *i, *prev_end, *new_end; prev_end 2626 user/usertests.c prev_end = sbrklazy(REGION_SZ); prev_end 2627 user/usertests.c if (prev_end == (char*)SBRK_ERROR) { prev_end 2631 user/usertests.c new_end = prev_end + REGION_SZ; prev_end 2633 user/usertests.c for (i = prev_end + PGSIZE; i < new_end; i += PGSIZE * PGSIZE) prev_end 2636 user/usertests.c for (i = prev_end + PGSIZE; i < new_end; i += PGSIZE * PGSIZE) {