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- --- a/backport-include/linux/mm.h
- +++ b/backport-include/linux/mm.h
- @@ -39,8 +39,20 @@ static inline
- long backport_get_user_pages_locked(unsigned long start, unsigned long nr_pages,
- int write, int force, struct page **pages, int *locked)
- {
- +#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,4,168))
- return get_user_pages_locked(current, current->mm, start, nr_pages,
- write, force, pages, locked);
- +#else
- + int flags = 0;
- +
- + if (write)
- + flags |= FOLL_WRITE;
- + if (force)
- + flags |= FOLL_FORCE;
- +
- + return get_user_pages_locked(current, current->mm, start, nr_pages,
- + flags, pages, locked);
- +#endif
- }
- #define get_user_pages_locked LINUX_BACKPORT(get_user_pages_locked)
-
- @@ -48,8 +60,20 @@ static inline
- long backport_get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
- int write, int force, struct page **pages)
- {
- +#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,4,168))
- return get_user_pages_unlocked(current, current->mm, start, nr_pages,
- write, force, pages);
- +#else
- + int flags = 0;
- +
- + if (write)
- + flags |= FOLL_WRITE;
- + if (force)
- + flags |= FOLL_FORCE;
- +
- + return get_user_pages_unlocked(current, current->mm, start, nr_pages,
- + pages, flags);
- +#endif
- }
- #define get_user_pages_unlocked LINUX_BACKPORT(get_user_pages_unlocked)
- #endif
- @@ -60,8 +84,20 @@ long backport_get_user_pages(unsigned lo
- int write, int force, struct page **pages,
- struct vm_area_struct **vmas)
- {
- +#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,4,168))
- return get_user_pages(current, current->mm, start, nr_pages,
- write, force, pages, vmas);
- +#else
- + int flags = 0;
- +
- + if (write)
- + flags |= FOLL_WRITE;
- + if (force)
- + flags |= FOLL_FORCE;
- +
- + return get_user_pages(current, current->mm, start, nr_pages,
- + flags, pages, vmas);
- +#endif
- }
- #define get_user_pages LINUX_BACKPORT(get_user_pages)
- #endif
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