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85391ee931
Sponsored-by: https://despairlabs.com/sponsor/ Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Rob Norris <robn@despairlabs.com> Closes #18077
25 lines
581 B
Plaintext
25 lines
581 B
Plaintext
dnl # SPDX-License-Identifier: CDDL-1.0
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dnl #
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dnl # 5.11 API change
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dnl # kmap_atomic() was deprecated in favor of kmap_local_page()
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_SRC_KMAP_LOCAL_PAGE], [
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ZFS_LINUX_TEST_SRC([kmap_local_page], [
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#include <linux/highmem.h>
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],[
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struct page page;
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kmap_local_page(&page);
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])
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])
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AC_DEFUN([ZFS_AC_KERNEL_KMAP_LOCAL_PAGE], [
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AC_MSG_CHECKING([whether kmap_local_page exists])
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ZFS_LINUX_TEST_RESULT([kmap_local_page], [
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_KMAP_LOCAL_PAGE, 1,
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[kernel has kmap_local_page])
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],[
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AC_MSG_RESULT(no)
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])
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])
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