diff options
| author | Tor Egge <Tor.Egge@yahooinc.com> | 2023-09-04 14:26:02 +0200 |
|---|---|---|
| committer | Tor Egge <Tor.Egge@yahooinc.com> | 2023-09-04 14:26:02 +0200 |
| commit | a5654fb3769135ced0daabc7aa50138cc02523b1 (patch) | |
| tree | ba2f641dc9c07f45e7ba26e1ae701c2d24ff9f7d /searchlib | |
| parent | c3ee6199624f99eb695a0d397b800a0fd6ab326d (diff) | |
MADV_DONTDUMP is specific for linux.
Diffstat (limited to 'searchlib')
| -rw-r--r-- | searchlib/src/vespa/searchlib/util/fileutil.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/searchlib/src/vespa/searchlib/util/fileutil.cpp b/searchlib/src/vespa/searchlib/util/fileutil.cpp index c2f86224312..f602c66b544 100644 --- a/searchlib/src/vespa/searchlib/util/fileutil.cpp +++ b/searchlib/src/vespa/searchlib/util/fileutil.cpp @@ -36,7 +36,9 @@ LoadedMmap::LoadedMmap(const vespalib::string &fileName) if (sz) { void *tmpBuffer = mmap(nullptr, sz, PROT_READ, MAP_PRIVATE, fd.fd(), 0); if (tmpBuffer != MAP_FAILED) { +#ifdef __linux__ madvise(tmpBuffer, sz, MADV_DONTDUMP); +#endif _mapSize = sz; _mapBuffer = tmpBuffer; uint32_t hl = GenericHeader::getMinSize(); |