The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=a0c171328f6689fb88e3881b8b5ee61d813b8c6d
commit a0c171328f6689fb88e3881b8b5ee61d813b8c6d Author: Emmanuel Vadot <[email protected]> AuthorDate: 2022-07-26 08:15:12 +0000 Commit: Emmanuel Vadot <[email protected]> CommitDate: 2022-08-08 13:22:35 +0000 linuxkpi: Add pagevec implementation Needed by drm-kmod. Reviewed by: hselasky Obtained from: OpenBSD Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D35941 --- sys/compat/linuxkpi/common/include/linux/pagevec.h | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/pagevec.h b/sys/compat/linuxkpi/common/include/linux/pagevec.h new file mode 100644 index 000000000000..4224124c4fe4 --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/pagevec.h @@ -0,0 +1,69 @@ +/* Public domain. */ + +#ifndef _LINUXKPI_LINUX_PAGEVEC_H_ +#define _LINUXKPI_LINUX_PAGEVEC_H_ + +#include <sys/types.h> +#include <sys/systm.h> +#include <sys/errno.h> + +#include <linux/pagemap.h> + +#define PAGEVEC_SIZE 15 + +struct pagevec { + uint8_t nr; + struct vm_page *pages[PAGEVEC_SIZE]; +}; + +static inline unsigned int +pagevec_space(struct pagevec *pvec) +{ + return PAGEVEC_SIZE - pvec->nr; +} + +static inline void +pagevec_init(struct pagevec *pvec) +{ + pvec->nr = 0; +} + +static inline void +pagevec_reinit(struct pagevec *pvec) +{ + pvec->nr = 0; +} + +static inline unsigned int +pagevec_count(struct pagevec *pvec) +{ + return pvec->nr; +} + +static inline unsigned int +pagevec_add(struct pagevec *pvec, struct vm_page *page) +{ + pvec->pages[pvec->nr++] = page; + return PAGEVEC_SIZE - pvec->nr; +} + +static inline void +__pagevec_release(struct pagevec *pvec) +{ + release_pages(pvec->pages, pagevec_count(pvec)); + pagevec_reinit(pvec); +} + +static inline void +pagevec_release(struct pagevec *pvec) +{ + if (pagevec_count(pvec)) + __pagevec_release(pvec); +} + +static inline void +check_move_unevictable_pages(struct pagevec *pvec) +{ +} + +#endif /* _LINUXKPI_LINUX_PAGEVEC_H_ */
