On Mon, Feb 22, 2021 at 04:26:23PM +0000, Praveen Kannoju wrote:

Ping!

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-	/*
-	 * If the system already has a suitable high order page then just use
-	 * that, but don't try hard to create one. This max is about 1M, so a
-	 * free x86 huge page will satisfy it.
-	 */
 	size = min_t(size_t, ent_size * ALIGN(*nents, xlt_chunk_align),
-		     MLX5_MAX_UMR_CHUNK);
+		     MLX5_SPARE_UMR_CHUNK);
 	*nents = size / ent_size;
 	res = (void *)__get_free_pages(gfp_mask | __GFP_NOWARN,
 				       get_order(size));

IIRC, there is some GFP flag here that fails fast if the order is not
available, why not just use that?

Jason