linux-kernel - [PATCH 2/2] drm/nouveau: fix allocation of notifier object

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Date:	Tue, 19 Apr 2011 23:52:42 +0200
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	Ben Skeggs <bskeggs@...hat.com>
Cc:	Kyle Spaans <kspaans@...terloo.ca>, linux-kernel@...r.kernel.org,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	airlied@...hat.com, dri-devel@...ts.freedesktop.org,
	mjg@...hat.com, maciej.rutecki@...il.com,
	nouveau@...ts.freedesktop.org,
	Nigel Cunningham <lkml@...elcunningham.com.au>,
	Nick Piggin <npiggin@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 2/2] drm/nouveau: fix allocation of notifier object

Commit 73412c3854c877e5f37ad944ee8977addde4d35a ("drm/nouveau: allocate
kernel's notifier object at end of block") intended to align end of
notifier block to page boundary, but start of block was miscalculated
to be off by -16 bytes. Fix it.

Signed-off-by: Marcin Slusarz <marcin.slusarz@...il.com>
Cc: Ben Skeggs <bskeggs@...hat.com>
---
 drivers/gpu/drm/nouveau/nouveau_dma.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c
index ce38e97..568caed 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.c
@@ -83,7 +83,7 @@ nouveau_dma_init(struct nouveau_channel *chan)
 		return ret;
 
 	/* NV_MEMORY_TO_MEMORY_FORMAT requires a notifier object */
-	ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfd0, 0x1000,
+	ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000,
 				     &chan->m2mf_ntfy);
 	if (ret)
 		return ret;
-- 
1.7.4.1

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