diff options
author | Henning Baldersheim <balder@yahoo-inc.com> | 2023-08-22 13:53:53 +0000 |
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committer | Henning Baldersheim <balder@yahoo-inc.com> | 2023-08-22 13:53:53 +0000 |
commit | a85da00270ae35bef3bf560e64bf822e0be062f4 (patch) | |
tree | 486243d0441420e9fa8e063067d3f1e1997f5975 /searchlib | |
parent | 14c095ede55284f23dcd0b1f60344f8460c2dbfa (diff) |
Ensure all mmaped files are marked so they will not be part of any coredump.
Diffstat (limited to 'searchlib')
-rw-r--r-- | searchlib/src/vespa/searchlib/util/fileutil.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/searchlib/src/vespa/searchlib/util/fileutil.cpp b/searchlib/src/vespa/searchlib/util/fileutil.cpp index cdeca9ce95c..c2f86224312 100644 --- a/searchlib/src/vespa/searchlib/util/fileutil.cpp +++ b/searchlib/src/vespa/searchlib/util/fileutil.cpp @@ -36,6 +36,7 @@ LoadedMmap::LoadedMmap(const vespalib::string &fileName) if (sz) { void *tmpBuffer = mmap(nullptr, sz, PROT_READ, MAP_PRIVATE, fd.fd(), 0); if (tmpBuffer != MAP_FAILED) { + madvise(tmpBuffer, sz, MADV_DONTDUMP); _mapSize = sz; _mapBuffer = tmpBuffer; uint32_t hl = GenericHeader::getMinSize(); |