de3e0b914b
Linux kernel commit ca79b0c211af63fa3276f0e3fd7dd9ada2439839 "mm: convert totalram_pages and totalhigh_pages variables to atomic" replaced `totalhigh_pages` with an inline function `totalhigh_pages()`. This broke compilation on IA32, etc, as ZoL uses `totalhigh_pages` on archs with highmem. Confirmed on Fedora 30 (5.0.9-301.fc30.i686). Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com> Closes #8677 Closes #8701
20 lines
481 B
Plaintext
20 lines
481 B
Plaintext
dnl #
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dnl # 5.0 API change
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dnl #
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dnl # ca79b0c211af mm: convert totalram_pages and totalhigh_pages variables to atomic
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_TOTALHIGH_PAGES], [
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AC_MSG_CHECKING([whether totalhigh_pages() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/highmem.h>
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],[
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unsigned long pages __attribute__ ((unused));
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pages = totalhigh_pages();
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_TOTALHIGH_PAGES, 1, [totalhigh_pages() exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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