The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/config/kernel-kmap-atomic-args.m4

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    1 dnl #
    2 dnl # 2.6.37 API change
    3 dnl # kmap_atomic changed from assigning hard-coded named slot to using
    4 dnl # push/pop based dynamical allocation.
    5 dnl #
    6 AC_DEFUN([ZFS_AC_KERNEL_SRC_KMAP_ATOMIC_ARGS], [
    7         ZFS_LINUX_TEST_SRC([kmap_atomic], [
    8                 #include <linux/pagemap.h>
    9         ],[
   10                 struct page page;
   11                 kmap_atomic(&page);
   12         ])
   13 ])
   14 
   15 AC_DEFUN([ZFS_AC_KERNEL_KMAP_ATOMIC_ARGS], [
   16         AC_MSG_CHECKING([whether kmap_atomic wants 1 args])
   17         ZFS_LINUX_TEST_RESULT([kmap_atomic], [
   18                 AC_MSG_RESULT(yes)
   19         ],[
   20                 ZFS_LINUX_TEST_ERROR([kmap_atomic()])
   21         ])
   22 ])

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