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From: Thomas Moestl <tmm@FreeBSD.org>
Subject: PERFORCE change 11841 for review
To: Perforce Change Reviews <perforce@freebsd.org>
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http://people.freebsd.org/~peter/p4db/chv.cgi?CH=11841

Change 11841 by tmm@tmm_sparc64 on 2002/05/24 16:05:45

	There's probably not much point in having the pipe implementation
	hoard KVM for bad times.
	
	Well sharpened hat to:	tmm

Affected files ...

... //depot/projects/sparc64/sys/kern/sys_pipe.c#21 edit

Differences ...

==== //depot/projects/sparc64/sys/kern/sys_pipe.c#21 (text+ko) ====

@@ -701,7 +701,7 @@
 			vm_offset_t kva = wpipe->pipe_map.bkva;
 			wpipe->pipe_map.bkva = wpipe->pipe_map.kva = 0;
 			kmem_free(kernel_map, kva,
-				wpipe->pipe_buffer.size + PAGE_SIZE);
+				wpipe->pipe_buffer.size + PAGE_SIZE + VCOLPAD);
 			amountpipekva -= wpipe->pipe_buffer.size + PAGE_SIZE;
 		}
 	}
@@ -1290,7 +1290,7 @@
 		amountpipekva -= cpipe->pipe_buffer.size + PAGE_SIZE;
 		kmem_free(kernel_map,
 			cpipe->pipe_map.bkva,
-			cpipe->pipe_buffer.size + PAGE_SIZE);
+			cpipe->pipe_buffer.size + PAGE_SIZE + VCOLPAD);
 		cpipe->pipe_map.cnt = 0;
 		cpipe->pipe_map.bkva = cpipe->pipe_map.kva = 0;
 		cpipe->pipe_map.pos = 0;

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