Revert re-addition of purge_lock.

Linux kernels have been capable of concurrent page table access since 2.6.27, so this hack is not necessary for modern kernels.
2010-04-08 20:31:58 -07:00
parent 68f91893bd
commit 799ca0b68d
2 changed files with 48 additions and 39 deletions
--- a/jemalloc/include/jemalloc/internal/arena.h
+++ b/jemalloc/include/jemalloc/internal/arena.h
@@ -318,9 +318,12 @@ struct arena_s {
 	size_t			ndirty;

 	/*
-	 * True if pages are currently being purged by a thread.
+	 * Approximate number of pages being purged.  It is possible for
+	 * multiple threads to purge dirty pages concurrently, and they use
+	 * npurgatory to indicate the total number of pages all threads are
+	 * attempting to purge.
 	 */
-	bool			purgatory;
+	size_t			npurgatory;

 	/*
 	 * Size/address-ordered trees of this arena's available runs.  The trees