From c101b088ba0ed16d7109b2f3c2d16798d162a535 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 26 Mar 2008 17:32:33 -0700
Subject: [PATCH] [SPARC64]: Define TASK_SIZE_OF()

This make "cat /proc/${PID}/pagemap" more efficient for
32-bit tasks.

Based upon a report by Mariusz Kozlowski.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/asm-sparc64/processor.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/asm-sparc64/processor.h b/include/asm-sparc64/processor.h
index 8da484c19822..885b6a1dcae4 100644
--- a/include/asm-sparc64/processor.h
+++ b/include/asm-sparc64/processor.h
@@ -37,6 +37,9 @@
 #endif
 
 #define TASK_SIZE	((unsigned long)-VPTE_SIZE)
+#define TASK_SIZE_OF(tsk) \
+	(test_tsk_thread_flag(tsk,TIF_32BIT) ? \
+	 (1UL << 32UL) : TASK_SIZE)
 #ifdef __KERNEL__
 
 #define STACK_TOP32	((1UL << 32UL) - PAGE_SIZE)
-- 
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