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Searched refs:FOLL_PIN (Results 1 - 1 of 1) sorted by relevance

/device/soc/rockchip/common/sdk_linux/include/linux/
H A Dmm.h2825 #define FOLL_PIN 0x40000 /* pages must be released via unpin_user_page */ macro
2829 * FOLL_PIN and FOLL_LONGTERM may be used in various combinations with each
2855 * FOLL_PIN indicates that a special kind of tracking (not just page->_refcount,
2860 * are released via put_page()), FOLL_PIN pages must be released, ultimately, by
2863 * FOLL_PIN is similar to FOLL_GET: both of these pin pages. They use different
2869 * FOLL_PIN: pin_user_pages*() to acquire, and unpin_user_pages to release.
2871 * FOLL_PIN and FOLL_GET are mutually exclusive for a given function call.
2872 * (The underlying pages may experience both FOLL_GET-based and FOLL_PIN-based
2876 * FOLL_PIN should be set internally by the pin_user_pages*() APIs, never

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