Messages in this thread Patch in this message | | | From | Jerome Glisse <> | Subject | [PATCH] radeon: use vmalloc instead of kmalloc | Date | Mon, 22 Jun 2009 19:26:01 +0200 |
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We don't need to allocated contiguous pages in cs codepath so use vmalloc instead.
Signed-off-by: Jerome Glisse <jglisse@redhat.com> --- drivers/gpu/drm/radeon/radeon_cs.c | 20 ++++++++++---------- 1 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index b843f9b..54a9740 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -45,11 +45,11 @@ int radeon_cs_parser_relocs(struct radeon_cs_parser *p) chunk = &p->chunks[p->chunk_relocs_idx]; /* FIXME: we assume that each relocs use 4 dwords */ p->nrelocs = chunk->length_dw / 4; - p->relocs_ptr = kcalloc(p->nrelocs, sizeof(void *), GFP_KERNEL); + p->relocs_ptr = vmalloc(p->nrelocs * sizeof(void *)); if (p->relocs_ptr == NULL) { return -ENOMEM; } - p->relocs = kcalloc(p->nrelocs, sizeof(struct radeon_cs_reloc), GFP_KERNEL); + p->relocs = vmalloc(p->nrelocs * sizeof(struct radeon_cs_reloc)); if (p->relocs == NULL) { return -ENOMEM; } @@ -103,7 +103,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) p->idx = 0; p->chunk_ib_idx = -1; p->chunk_relocs_idx = -1; - p->chunks_array = kcalloc(cs->num_chunks, sizeof(uint64_t), GFP_KERNEL); + p->chunks_array = vmalloc(cs->num_chunks * sizeof(uint64_t)); if (p->chunks_array == NULL) { return -ENOMEM; } @@ -113,7 +113,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) return -EFAULT; } p->nchunks = cs->num_chunks; - p->chunks = kcalloc(p->nchunks, sizeof(struct radeon_cs_chunk), GFP_KERNEL); + p->chunks = vmalloc(p->nchunks * sizeof(struct radeon_cs_chunk)); if (p->chunks == NULL) { return -ENOMEM; } @@ -139,7 +139,7 @@ int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data) p->chunks[i].kdata = NULL; size = p->chunks[i].length_dw * sizeof(uint32_t); - p->chunks[i].kdata = kzalloc(size, GFP_KERNEL); + p->chunks[i].kdata = vmalloc(size); if (p->chunks[i].kdata == NULL) { return -ENOMEM; } @@ -179,13 +179,13 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error) mutex_unlock(&parser->rdev->ddev->struct_mutex); } } - kfree(parser->relocs); - kfree(parser->relocs_ptr); + vfree(parser->relocs); + vfree(parser->relocs_ptr); for (i = 0; i < parser->nchunks; i++) { - kfree(parser->chunks[i].kdata); + vfree(parser->chunks[i].kdata); } - kfree(parser->chunks); - kfree(parser->chunks_array); + vfree(parser->chunks); + vfree(parser->chunks_array); radeon_ib_free(parser->rdev, &parser->ib); } -- 1.6.2.2
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