linux-kernel - [PATCH] arch/tile: don't leak kernel memory when we unload modules

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Message-Id: <201203302105.q2UL56hT006296@farm-0012.internal.tilera.com>
Date:	Thu, 29 Mar 2012 15:44:10 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Chris Metcalf <cmetcalf@...era.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Mike Frysinger <vapier@...too.org>,
	Jonas Bonn <jonas@...thpole.se>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arch/tile: don't leak kernel memory when we unload modules

We were failing to track the memory when we allocated it.

Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---
 arch/tile/kernel/module.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/tile/kernel/module.c b/arch/tile/kernel/module.c
index bb2dc1e..001cbfa 100644
--- a/arch/tile/kernel/module.c
+++ b/arch/tile/kernel/module.c
@@ -67,6 +67,8 @@ void *module_alloc(unsigned long size)
 	area = __get_vm_area(size, VM_ALLOC, MEM_MODULE_START, MEM_MODULE_END);
 	if (!area)
 		goto error;
+	area->nr_pages = npages;
+	area->pages = pages;
 
 	if (map_vm_area(area, prot_rwx, &pages)) {
 		vunmap(area->addr);
-- 
1.6.5.2

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