[llvm] r329648 - [CachePruning] Fix comment about ext4 per-directory file limit. NFC

[Fangrui Song via llvm-commits]

Author: maskray
Date: Mon Apr  9 17:12:28 2018
New Revision: 329648

URL: http://llvm.org/viewvc/llvm-project?rev=329648&view=rev
Log:
[CachePruning] Fix comment about ext4 per-directory file limit. NFC

There is a limit on number of subdirectories if dir_nlinks is not
enabled (31998), but per-directory number of files is not limited.

Modified:
    llvm/trunk/include/llvm/Support/CachePruning.h

Modified: llvm/trunk/include/llvm/Support/CachePruning.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/CachePruning.h?rev=329648&r1=329647&r2=329648&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/CachePruning.h (original)
+++ llvm/trunk/include/llvm/Support/CachePruning.h Mon Apr  9 17:12:28 2018
@@ -52,9 +52,8 @@ struct CachePruningPolicy {
   /// the number of files based pruning.
   ///
   /// This defaults to 1000000 because with that many files there are
-  /// diminishing returns on the effectiveness of the cache, and some file
-  /// systems have a limit on how many files can be contained in a directory
-  /// (notably ext4, which is limited to around 6000000 files).
+  /// diminishing returns on the effectiveness of the cache, and file
+  /// systems have a limit on total number of files.
   uint64_t MaxSizeFiles = 1000000;
 };