031cea17a3
totalram_pages() was converted to an atomic variable in 5.0: https://patchwork.kernel.org/patch/10652795/ Its value should now be read though the totalram_pages() helper function. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tony Hutter <hutter2@llnl.gov> Closes #8263
19 lines
501 B
Plaintext
19 lines
501 B
Plaintext
dnl #
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dnl # Linux 5.0: totalram_pages is no longer a global variable, and must be
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dnl # read via the totalram_pages() helper function.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_TOTALRAM_PAGES_FUNC], [
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AC_MSG_CHECKING([whether totalram_pages() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/mm.h>
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],[
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unsigned long pages __attribute__ ((unused));
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pages = totalram_pages();
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_TOTALRAM_PAGES_FUNC, 1, [kernel has totalram_pages()])
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],[
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AC_MSG_RESULT(no)
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])
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])
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