[PATCH] drm/etnaviv: don't invoke OOM killer from dump code

[Russell King - ARM Linux]

On Fri, Dec 02, 2016 at 11:44:54AM +0100, Lucas Stach wrote:
> The dumper is only a debugging aid so we don't want to invoke the OOM
> killer if buffer for the potentially large GPU state can't be vmalloced.
> 
> Signed-off-by: Lucas Stach 

Acked-by: Russell King 

Thanks.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

[PATCH] drm/etnaviv: don't invoke OOM killer from dump code

[Lucas Stach]

The dumper is only a debugging aid so we don't want to invoke the OOM
killer if buffer for the potentially large GPU state can't be vmalloced.

Signed-off-by: Lucas Stach 
---
 drivers/gpu/drm/etnaviv/etnaviv_dump.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c 
b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
index 2bef501d4a17..af65491a78e2 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
@@ -160,7 +160,8 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu)
file_size += sizeof(*iter.hdr) * n_obj;

/* Allocate the file in vmalloc memory, it's likely to be big */
-   iter.start = vmalloc(file_size);
+   iter.start = __vmalloc(file_size, GFP_KERNEL | __GFP_HIGHMEM |
+  __GFP_NOWARN | __GFP_NORETRY, PAGE_KERNEL);
if (!iter.start) {
dev_warn(gpu->dev, "failed to allocate devcoredump file\n");
return;
-- 
2.10.2