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authorOfir Bitton <obitton@habana.ai>2020-11-26 13:01:11 +0200
committerOded Gabbay <ogabbay@kernel.org>2020-11-30 10:30:16 +0200
commitc8c39fbd01d42c30454e42c16bcd69c17260b90a (patch)
tree7e510888d12327842f73819b5fcd54ee7a8b2832 /drivers/misc
parentf0992098cadb4c9c6a00703b66cafe604e178fea (diff)
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>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/habanalabs/common/memory.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c
index 84227819e4d1..bfe223abf142 100644
--- a/drivers/misc/habanalabs/common/memory.c
+++ b/drivers/misc/habanalabs/common/memory.c
@@ -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;
}