The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
As of March 3, the DJI Osmo Mobile 7 is on sale at Amazon for $59, marked down from the standard price of $75. That's a 21% discount that takes a nice $16 off the price. It also matches the record-low at Amazon.
,推荐阅读快连下载安装获取更多信息
«Вероломное нападение Израиля при поддержке Соединенных Штатов Америки на Иран нам понятно и неприемлемо, тем более что в результате этого нападения погибли ни в чем не повинные жители, и прежде всего дети», — заявил Лукашенко.,推荐阅读体育直播获取更多信息
Lola Young - Messy
Thanks to Nikolai Kondrashov (Red Hat CKI) for helpful discussions on the mailing list workflow.