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| author | Emmanuel Vadot <manu@FreeBSD.org> | 2022-08-02 07:33:47 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2022-09-07 15:09:04 +0000 |
| commit | c84bd1f287110d7ef9751a29116a4459b7749524 (patch) | |
| tree | f05a686856d41a00d741eccab7ad333bb3a30973 | |
| parent | d3d30e4d2f79015b07c42c2286d52e0254ec8c00 (diff) | |
| download | src-c84bd1f287110d7ef9751a29116a4459b7749524.tar.gz src-c84bd1f287110d7ef9751a29116a4459b7749524.zip | |
linuxkpi: Add trylock_page and unlock_page
Simple wrapper around vm_page_trylock and vm_page_unlock.
Reviewed by: hselasky
Sponsored by: Beckhoff Automation GmbH & Co. KG
Differential Revision: https://reviews.freebsd.org/D36019
(cherry picked from commit d1c3cfd79da148755ef0fa51f65cd8d0d64b9a88)
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/mm.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/mm.h b/sys/compat/linuxkpi/common/include/linux/mm.h index 4d4c189e2939..d2db343fc094 100644 --- a/sys/compat/linuxkpi/common/include/linux/mm.h +++ b/sys/compat/linuxkpi/common/include/linux/mm.h @@ -288,6 +288,19 @@ vmalloc_to_page(const void *addr) return (PHYS_TO_VM_PAGE(paddr)); } +static inline int +trylock_page(struct page *page) +{ + return (vm_page_trylock(page)); +} + +static inline void +unlock_page(struct page *page) +{ + + vm_page_unlock(page); +} + extern int is_vmalloc_addr(const void *addr); void si_meminfo(struct sysinfo *si); |