Commit c8c39fbd authored Nov 26, 2020 by Ofir Bitton Committed by Oded Gabbay Nov 30, 2020

habanalabs: free host huge va_range if not used



If huge range is not valid, driver uses the host range also for
huge page allocations, but driver never frees its allocation.
This introduces a memory leak every time a user closes its context.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

parent f0992098

drivers/misc/habanalabs/common/memory.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1626,6 +1626,7 @@ static int vm_ctx_init_with_ranges(struct hl_ctx *ctx,
		goto host_hpage_range_err;
		}
		} else {
		kfree(ctx->host_huge_va_range);
		ctx->host_huge_va_range = ctx->host_va_range;
		}

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