This is a note to let you know that I've just added the patch titled
drm/ttm: Fix accounting error when fail to get pages for pool
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-ttm-fix-accounting-error-when-fail-to-get-pages-for-pool.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9afae2719273fa1d406829bf3498f82dbdba71c7 Mon Sep 17 00:00:00 2001
From: "Xiangliang.Yu" <Xiangliang.Yu@xxxxxxx>
Date: Wed, 16 Aug 2017 14:25:51 +0800
Subject: drm/ttm: Fix accounting error when fail to get pages for pool
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From: Xiangliang.Yu <Xiangliang.Yu@xxxxxxx>
commit 9afae2719273fa1d406829bf3498f82dbdba71c7 upstream.
When fail to get needed page for pool, need to put allocated pages
into pool. But current code has a miscalculation of allocated pages,
correct it.
Signed-off-by: Xiangliang.Yu <Xiangliang.Yu@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Monk Liu <monk.liu@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -612,7 +612,7 @@ static void ttm_page_pool_fill_locked(st
} else {
pr_err("Failed to fill pool (%p)\n", pool);
/* If we have any pages left put them to the pool. */
- list_for_each_entry(p, &pool->list, lru) {
+ list_for_each_entry(p, &new_pages, lru) {
++cpages;
}
list_splice(&new_pages, &pool->list);
Patches currently in stable-queue which might be from Xiangliang.Yu@xxxxxxx are
queue-4.9/drm-ttm-fix-accounting-error-when-fail-to-get-pages-for-pool.patch