[PATCH] habanalabs: Update DRAM consumption on context tear down

From: Tomer Tayar
Date: Sun Aug 04 2019 - 03:03:51 EST


The patch adds a missing update of the DRAM memory consumption, when a
context is being torn down without an organized release of the allocated
memory.

Signed-off-by: Tomer Tayar <ttayar@xxxxxxxxx>
---
drivers/misc/habanalabs/memory.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/misc/habanalabs/memory.c b/drivers/misc/habanalabs/memory.c
index 42d237cae1dc..365fb0cb8dff 100644
--- a/drivers/misc/habanalabs/memory.c
+++ b/drivers/misc/habanalabs/memory.c
@@ -1629,6 +1629,8 @@ void hl_vm_ctx_fini(struct hl_ctx *ctx)
dev_dbg(hdev->dev,
"page list 0x%p of asid %d is still alive\n",
phys_pg_list, ctx->asid);
+ atomic64_sub(phys_pg_list->total_size,
+ &hdev->dram_used_mem);
free_phys_pg_pack(hdev, phys_pg_list);
idr_remove(&vm->phys_pg_pack_handles, i);
}
--
2.17.1