diff options
| author | Maarten Lankhorst | 2013-09-02 16:31:31 +0200 |
|---|---|---|
| committer | Ben Skeggs | 2013-09-04 13:48:56 +1000 |
| commit | c859074e7d804a254f318bb55ba1b39893247fc7 (patch) | |
| tree | 1bebcf449ab043da0fd5a90ee466131bc0f6ee47 | |
| parent | c072470f4e9abdde7cdf1c850b8826f32f9e79e3 (diff) | |
drm/nouveau: fix command submission to use vmalloc for big allocations
I was getting a order 4 allocation failure from kmalloc when testing some
game after a few days uptime with some suspend/resumes.
For big allocations vmalloc should be used instead.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_gem.c | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 487242fb3fdc..f32b71238c03 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -579,18 +579,31 @@ nouveau_gem_pushbuf_validate(struct nouveau_channel *chan, return 0; } +static inline void +u_free(void *addr) +{ + if (!is_vmalloc_addr(addr)) + kfree(addr); + else + vfree(addr); +} + static inline void * u_memcpya(uint64_t user, unsigned nmemb, unsigned size) { void *mem; void __user *userptr = (void __force __user *)(uintptr_t)user; - mem = kmalloc(nmemb * size, GFP_KERNEL); + size *= nmemb; + + mem = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); + if (!mem) + mem = vmalloc(size); if (!mem) return ERR_PTR(-ENOMEM); - if (DRM_COPY_FROM_USER(mem, userptr, nmemb * size)) { - kfree(mem); + if (DRM_COPY_FROM_USER(mem, userptr, size)) { + u_free(mem); return ERR_PTR(-EFAULT); } @@ -676,7 +689,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli, nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data); } - kfree(reloc); + u_free(reloc); return ret; } @@ -738,7 +751,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data, bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo)); if (IS_ERR(bo)) { - kfree(push); + u_free(push); return nouveau_abi16_put(abi16, PTR_ERR(bo)); } @@ -849,8 +862,8 @@ out: nouveau_fence_unref(&fence); out_prevalid: - kfree(bo); - kfree(push); + u_free(bo); + u_free(push); out_next: if (chan->dma.ib_max) { |