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Due to active back-porting in Linux LTS branches, there are some comptaibility issues in the driver. This adds support for kernel 4.4.159

Suren A. Chilingaryan 4 years ago
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162d6b9bd9
commit
8cb6d1301a
1 changed files with 3 additions and 0 deletions
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      driver/compat.h

+ 3 - 0
driver/compat.h
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@@ -41,6 +41,9 @@
 
 # define get_user_pages_compat(vma, nr, pages) get_user_pages(vma, nr, FOLL_WRITE, pages, NULL)
 
 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0)
 
 # define get_user_pages_compat(vma, nr, pages) get_user_pages(vma, nr, 1, 0, pages, NULL)
 
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,4,159))
 
+    // Looks like some updates from 4.9 were backported to 4.4 LTS kernel. On Ubuntu, at least 4.4.159 needs this variant
 
+# define get_user_pages_compat(vma, nr, pages) get_user_pages(current, current->mm, vma, nr, FOLL_WRITE, pages, NULL)
 
 #else
 
 # define get_user_pages_compat(vma, nr, pages) get_user_pages(current, current->mm, vma, nr, 1, 0, pages, NULL)
 
 #endif