From efa40532dc0fc000345086757ecaf8875313a012 Mon Sep 17 00:00:00 2001
From: Qi Wang <interwq@gwu.edu>
Date: Mon, 5 Mar 2018 14:45:04 -0800
Subject: [PATCH] Remove config.thp which wasn't in use.

---
 configure.ac                                  | 22 -------------------
 doc/jemalloc.xml.in                           | 10 ---------
 .../jemalloc/internal/jemalloc_preamble.h.in  |  7 ------
 src/ctl.c                                     |  3 ---
 src/stats.c                                   |  1 -
 5 files changed, 43 deletions(-)

diff --git a/configure.ac b/configure.ac
index b58540e1..1e32f7fa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1876,27 +1876,6 @@ case "${host_cpu}" in
 esac
 fi
 
-dnl Enable transparent huge page support by default.
-AC_ARG_ENABLE([thp],
-  [AS_HELP_STRING([--disable-thp],
-                  [Disable transparent huge page support])],
-[if test "x$enable_thp" = "xno" -o "x${je_cv_thp}" != "xyes" ; then
-  enable_thp="0"
-else
-  enable_thp="1"
-fi
-],
-[if test "x${je_cv_thp}" = "xyes" ; then
-  enable_thp="1"
-else
-  enable_thp="0"
-fi
-])
-if test "x$enable_thp" = "x1" ; then
-  AC_DEFINE([JEMALLOC_THP], [ ])
-fi
-AC_SUBST([enable_thp])
-
 dnl ============================================================================
 dnl Check whether __sync_{add,sub}_and_fetch() are available despite
 dnl __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros being undefined.
@@ -2269,7 +2248,6 @@ AC_MSG_RESULT([prof               : ${enable_prof}])
 AC_MSG_RESULT([prof-libunwind     : ${enable_prof_libunwind}])
 AC_MSG_RESULT([prof-libgcc        : ${enable_prof_libgcc}])
 AC_MSG_RESULT([prof-gcc           : ${enable_prof_gcc}])
-AC_MSG_RESULT([thp                : ${enable_thp}])
 AC_MSG_RESULT([fill               : ${enable_fill}])
 AC_MSG_RESULT([utrace             : ${enable_utrace}])
 AC_MSG_RESULT([xmalloc            : ${enable_xmalloc}])
diff --git a/doc/jemalloc.xml.in b/doc/jemalloc.xml.in
index 3f9ba201..4fdb53fc 100644
--- a/doc/jemalloc.xml.in
+++ b/doc/jemalloc.xml.in
@@ -852,16 +852,6 @@ mallctl("arena." STRINGIFY(MALLCTL_ARENAS_ALL) ".decay",
         build configuration.</para></listitem>
       </varlistentry>
 
-      <varlistentry id="config.thp">
-        <term>
-          <mallctl>config.thp</mallctl>
-          (<type>bool</type>)
-          <literal>r-</literal>
-        </term>
-        <listitem><para><option>--disable-thp</option> was not specified
-        during build configuration, and the system supports transparent huge
-        page manipulation.</para></listitem>
-      </varlistentry>
 
       <varlistentry id="config.utrace">
         <term>
diff --git a/include/jemalloc/internal/jemalloc_preamble.h.in b/include/jemalloc/internal/jemalloc_preamble.h.in
index f81f3a40..e621fbc8 100644
--- a/include/jemalloc/internal/jemalloc_preamble.h.in
+++ b/include/jemalloc/internal/jemalloc_preamble.h.in
@@ -122,13 +122,6 @@ static const bool config_stats =
     false
 #endif
     ;
-static const bool config_thp =
-#ifdef JEMALLOC_THP
-    true
-#else
-    false
-#endif
-    ;
 static const bool config_tls =
 #ifdef JEMALLOC_TLS
     true
diff --git a/src/ctl.c b/src/ctl.c
index 3a22423b..17672493 100644
--- a/src/ctl.c
+++ b/src/ctl.c
@@ -75,7 +75,6 @@ CTL_PROTO(config_prof)
 CTL_PROTO(config_prof_libgcc)
 CTL_PROTO(config_prof_libunwind)
 CTL_PROTO(config_stats)
-CTL_PROTO(config_thp)
 CTL_PROTO(config_utrace)
 CTL_PROTO(config_xmalloc)
 CTL_PROTO(opt_abort)
@@ -271,7 +270,6 @@ static const ctl_named_node_t	config_node[] = {
 	{NAME("prof_libgcc"),	CTL(config_prof_libgcc)},
 	{NAME("prof_libunwind"), CTL(config_prof_libunwind)},
 	{NAME("stats"),		CTL(config_stats)},
-	{NAME("thp"),		CTL(config_thp)},
 	{NAME("utrace"),	CTL(config_utrace)},
 	{NAME("xmalloc"),	CTL(config_xmalloc)}
 };
@@ -1575,7 +1573,6 @@ CTL_RO_CONFIG_GEN(config_prof, bool)
 CTL_RO_CONFIG_GEN(config_prof_libgcc, bool)
 CTL_RO_CONFIG_GEN(config_prof_libunwind, bool)
 CTL_RO_CONFIG_GEN(config_stats, bool)
-CTL_RO_CONFIG_GEN(config_thp, bool)
 CTL_RO_CONFIG_GEN(config_utrace, bool)
 CTL_RO_CONFIG_GEN(config_xmalloc, bool)
 
diff --git a/src/stats.c b/src/stats.c
index 0a89b4b0..11959cbe 100644
--- a/src/stats.c
+++ b/src/stats.c
@@ -732,7 +732,6 @@ stats_general_print(void (*write_cb)(void *, const char *), void *cbopaque,
 	CONFIG_WRITE_BOOL_JSON(prof_libgcc, ",")
 	CONFIG_WRITE_BOOL_JSON(prof_libunwind, ",")
 	CONFIG_WRITE_BOOL_JSON(stats, ",")
-	CONFIG_WRITE_BOOL_JSON(thp, ",")
 	CONFIG_WRITE_BOOL_JSON(utrace, ",")
 	CONFIG_WRITE_BOOL_JSON(xmalloc, "")