depot_stack_handle_t handle;
depot_stack_handle_t free_handle;
u64 ts_nsec;
+ u64 free_ts_nsec;
pid_t pid;
};
struct page_ext *page_ext;
depot_stack_handle_t handle = 0;
struct page_owner *page_owner;
+ u64 free_ts_nsec = local_clock();
handle = save_stack(GFP_NOWAIT | __GFP_NOWARN);
__clear_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags);
page_owner = get_page_owner(page_ext);
page_owner->free_handle = handle;
+ page_owner->free_ts_nsec = free_ts_nsec;
page_ext = page_ext_next(page_ext);
}
}
new_page_owner->handle = old_page_owner->handle;
new_page_owner->pid = old_page_owner->pid;
new_page_owner->ts_nsec = old_page_owner->ts_nsec;
+ new_page_owner->free_ts_nsec = old_page_owner->ts_nsec;
/*
* We don't clear the bit on the oldpage as it's going to be freed
return -ENOMEM;
ret = snprintf(kbuf, count,
- "Page allocated via order %u, mask %#x(%pGg), pid %d, ts %llu ns\n",
+ "Page allocated via order %u, mask %#x(%pGg), pid %d, ts %llu ns, free_ts %llu ns\n",
page_owner->order, page_owner->gfp_mask,
&page_owner->gfp_mask, page_owner->pid,
- page_owner->ts_nsec);
+ page_owner->ts_nsec, page_owner->free_ts_nsec);
if (ret >= count)
goto err;
else
pr_alert("page_owner tracks the page as freed\n");
- pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg), pid %d, ts %llu\n",
+ pr_alert("page last allocated via order %u, migratetype %s, gfp_mask %#x(%pGg), pid %d, ts %llu, free_ts %llu\n",
page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask,
- page_owner->pid, page_owner->ts_nsec);
+ page_owner->pid, page_owner->ts_nsec, page_owner->free_ts_nsec);
handle = READ_ONCE(page_owner->handle);
if (!handle) {