Messages in this thread Patch in this message | | | From | Kamal Mostafa <> | Subject | [PATCH 120/145] drm/nouveau: use vmalloc for pgt allocation | Date | Wed, 17 Jul 2013 15:47:32 -0700 |
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3.8.13.5 -stable review patch. If anyone has any objections, please let me know.
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From: Marcin Slusarz <marcin.slusarz@gmail.com>
commit d005f51eb93d71cd40ebd11dd377453fa8c8a42a upstream.
Page tables on nv50 take 48kB, which can be hard to allocate in one piece. Let's use vmalloc.
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- drivers/gpu/drm/nouveau/core/subdev/vm/base.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c index 77c67fc..e66fb77 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/base.c @@ -362,7 +362,7 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length, vm->fpde = offset >> (vmm->pgt_bits + 12); vm->lpde = (offset + length - 1) >> (vmm->pgt_bits + 12); - vm->pgt = kcalloc(vm->lpde - vm->fpde + 1, sizeof(*vm->pgt), GFP_KERNEL); + vm->pgt = vzalloc((vm->lpde - vm->fpde + 1) * sizeof(*vm->pgt)); if (!vm->pgt) { kfree(vm); return -ENOMEM; @@ -371,7 +371,7 @@ nouveau_vm_create(struct nouveau_vmmgr *vmm, u64 offset, u64 length, ret = nouveau_mm_init(&vm->mm, mm_offset >> 12, mm_length >> 12, block >> 12); if (ret) { - kfree(vm->pgt); + vfree(vm->pgt); kfree(vm); return ret; } @@ -446,7 +446,7 @@ nouveau_vm_del(struct nouveau_vm *vm) } nouveau_mm_fini(&vm->mm); - kfree(vm->pgt); + vfree(vm->pgt); kfree(vm); } -- 1.8.1.2
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