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Implement opt.metadata_thp

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This option enables transparent huge page for base allocators (require
MADV_HUGEPAGE support).
This commit is contained in:
Qi Wang 2017-08-10 13:14:26 -07:00 • committed by Qi Wang
parent d157864027
commit 8fdd9a5797
12 changed files with 118 additions and 17 deletions
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3
configure.ac
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@ -1824,6 +1824,9 @@ if test "x${je_cv_madvise}" = "xyes" ; then
madvise((void *)0, 0, MADV_HUGEPAGE);
madvise((void *)0, 0, MADV_NOHUGEPAGE);
], [je_cv_thp])
if test "x${je_cv_thp}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_MADVISE_HUGE], [ ])
fi
fi
dnl Enable transparent huge page support by default.