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drm/nouveau/core: use vzalloc for allocating ramht

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commit 78a121d82d upstream.

Most calls to nvkm_ramht_new use 0x8000 as the size. This results in a
fairly sizeable chunk of memory to be allocated, which may not be
available with kzalloc. Since this is done fairly rarely (once per
channel), use vzalloc instead.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: Sven Joachim <svenjoac@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ilia Mirkin
2016-03-06 16:06:06 -05:00
committed by popcornmix
parent b4205141fb
commit f0e6790de7
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/nouveau/nvkm/core/ramht.c
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@@ -131,7 +131,7 @@ nvkm_ramht_del(struct nvkm_ramht **pramht)
struct nvkm_ramht *ramht = *pramht;
if (ramht) {
nvkm_gpuobj_del(&ramht->gpuobj);
kfree(*pramht);
vfree(*pramht);
*pramht = NULL;
}
}
@@ -143,8 +143,8 @@ nvkm_ramht_new(struct nvkm_device *device, u32 size, u32 align,
struct nvkm_ramht *ramht;
int ret, i;
if (!(ramht = *pramht = kzalloc(sizeof(*ramht) + (size >> 3) *
sizeof(*ramht->data), GFP_KERNEL)))
if (!(ramht = *pramht = vzalloc(sizeof(*ramht) +
(size >> 3) * sizeof(*ramht->data))))
return -ENOMEM;
ramht->device = device;