From: Simon Marlow <marlowsd@gmail.com>
Date: Thu, 28 May 2009 13:34:40 +0000 (+0000)
Subject: Round stack size to a whole number of megablocks
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=44ccabe68c496078d023bacc9d99720b2df19ee6

Round stack size to a whole number of megablocks
This is not a bug fix, it just makes better use of memory
---

diff --git a/rts/Threads.c b/rts/Threads.c
index 501c751..d578cc2 100644
--- a/rts/Threads.c
+++ b/rts/Threads.c
@@ -84,7 +84,7 @@ createThread(Capability *cap, nat size)
 	size = MIN_STACK_WORDS + TSO_STRUCT_SIZEW;
     }
 
-    stack_size = size - TSO_STRUCT_SIZEW;
+    stack_size = round_to_mblocks(size) - TSO_STRUCT_SIZEW;
     
     tso = (StgTSO *)allocateLocal(cap, size);
     TICK_ALLOC_TSO(stack_size, 0);