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habanalabs: free host huge va_range if not used

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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>
This commit is contained in:
Ofir Bitton 2020-11-26 13:01:11 +02:00 committed by Oded Gabbay
parent f0992098ca
commit c8c39fbd01
1 changed files with 1 additions and 0 deletions
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drivers/misc/habanalabs/common/memory.c
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@ -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;
}