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Implement guard pages.

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Adding guarded extents, which are regular extents surrounded by guard pages
(mprotected).  To reduce syscalls, small guarded extents are cached as a
separate eset in ecache, and decay through the dirty / muzzy / retained pipeline
as usual.
This commit is contained in:
Qi Wang 2021-04-26 14:22:25 -07:00 • committed by Qi Wang
parent 7bb05e04be
commit deb8e62a83
41 changed files with 920 additions and 251 deletions
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msvc/projects/vc2015/jemalloc/jemalloc.vcxproj
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@ -59,6 +59,7 @@
<ClCompile Include="..\..\..\..\src\extent_dss.c" />
<ClCompile Include="..\..\..\..\src\extent_mmap.c" />
<ClCompile Include="..\..\..\..\src\fxp.c" />
<ClCompile Include="..\..\..\..\src\guard.c" />
<ClCompile Include="..\..\..\..\src\hook.c" />
<ClCompile Include="..\..\..\..\src\hpa.c" />
<ClCompile Include="..\..\..\..\src\hpa_hooks.c" />

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msvc/projects/vc2015/jemalloc/jemalloc.vcxproj.filters
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@ -61,6 +61,9 @@
<ClCompile Include="..\..\..\..\src\fxp.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\..\..\..\src\guard.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\..\..\..\src\hook.c">
<Filter>Source Files</Filter>
</ClCompile>

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msvc/projects/vc2017/jemalloc/jemalloc.vcxproj
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@ -59,6 +59,7 @@
<ClCompile Include="..\..\..\..\src\extent_dss.c" />
<ClCompile Include="..\..\..\..\src\extent_mmap.c" />
<ClCompile Include="..\..\..\..\src\fxp.c" />
<ClCompile Include="..\..\..\..\src\guard.c" />
<ClCompile Include="..\..\..\..\src\hook.c" />
<ClCompile Include="..\..\..\..\src\hpa.c" />
<ClCompile Include="..\..\..\..\src\hpa_hooks.c" />

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msvc/projects/vc2017/jemalloc/jemalloc.vcxproj.filters
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@ -61,6 +61,9 @@
<ClCompile Include="..\..\..\..\src\fxp.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\..\..\..\src\guard.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\..\..\..\src\hook.c">
<Filter>Source Files</Filter>
</ClCompile>