linux-kernel - [RFC/PATCH 4/15] get_unmapped_area handles MAP

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Message-Id: <20070322060219.2907DDDF2F@ozlabs.org>
Date:	Thu, 22 Mar 2007 17:00:37 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Linux Memory Management <linux-mm@...ck.org>
CC:	<linux-kernel@...r.kernel.org>
Subject: [RFC/PATCH 4/15] get_unmapped_area handles MAP_FIXED on frv 

Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
---

 arch/frv/mm/elf-fdpic.c |    4 ++++
 1 file changed, 4 insertions(+)

Index: linux-cell/arch/frv/mm/elf-fdpic.c
===================================================================
--- linux-cell.orig/arch/frv/mm/elf-fdpic.c	2007-03-22 15:00:50.000000000 +1100
+++ linux-cell/arch/frv/mm/elf-fdpic.c	2007-03-22 15:01:06.000000000 +1100
@@ -64,6 +64,10 @@ unsigned long arch_get_unmapped_area(str
 	if (len > TASK_SIZE)
 		return -ENOMEM;
 
+	/* handle MAP_FIXED */
+	if (flags & MAP_FIXED)
+		return addr;
+
 	/* only honour a hint if we're not going to clobber something doing so */
 	if (addr) {
 		addr = PAGE_ALIGN(addr);
-
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