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Add the --enable-mremap option.

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Add the --enable-mremap option, and disable the use of mremap(2) by
default, for the same reason that freeing chunks via munmap(2) is
disabled by default on Linux: semi-permanent VM map fragmentation.
This commit is contained in:
Jason Evans
2012-05-09 16:12:00 -07:00
parent 374d26a43b
commit 2e671ffbad
7 changed files with 64 additions and 17 deletions
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3
src/ctl.c
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@@ -76,6 +76,7 @@ CTL_PROTO(config_debug)
CTL_PROTO(config_dss)
CTL_PROTO(config_fill)
CTL_PROTO(config_lazy_lock)
CTL_PROTO(config_mremap)
CTL_PROTO(config_munmap)
CTL_PROTO(config_prof)
CTL_PROTO(config_prof_libgcc)
@@ -207,6 +208,7 @@ static const ctl_named_node_t config_node[] = {
{NAME("dss"), CTL(config_dss)},
{NAME("fill"), CTL(config_fill)},
{NAME("lazy_lock"), CTL(config_lazy_lock)},
{NAME("mremap"), CTL(config_mremap)},
{NAME("munmap"), CTL(config_munmap)},
{NAME("prof"), CTL(config_prof)},
{NAME("prof_libgcc"), CTL(config_prof_libgcc)},
@@ -1118,6 +1120,7 @@ CTL_RO_BOOL_CONFIG_GEN(config_debug)
CTL_RO_BOOL_CONFIG_GEN(config_dss)
CTL_RO_BOOL_CONFIG_GEN(config_fill)
CTL_RO_BOOL_CONFIG_GEN(config_lazy_lock)
CTL_RO_BOOL_CONFIG_GEN(config_mremap)
CTL_RO_BOOL_CONFIG_GEN(config_munmap)
CTL_RO_BOOL_CONFIG_GEN(config_prof)
CTL_RO_BOOL_CONFIG_GEN(config_prof_libgcc)