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Diffstat (limited to 'src/mongo/util/processinfo.h')
| -rw-r--r-- | src/mongo/util/processinfo.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mongo/util/processinfo.h b/src/mongo/util/processinfo.h index d415bf2eea7..18f6956d9b7 100644 --- a/src/mongo/util/processinfo.h +++ b/src/mongo/util/processinfo.h @@ -126,6 +126,13 @@ namespace mongo { static bool blockInMemory(const void* start); /** + * Returns a positive floating point number between 0.0 and 1.0 to inform MMapV1 how much it + * must remap pages to bring the system page file implementation back below a certain + * threshold. A number of 1.0 means remap everything. + */ + static double getSystemMemoryPressurePercentage(); + + /** * @return a pointer aligned to the start of the page the provided pointer belongs to. * * NOTE requires blockCheckSupported() == true |