disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/drivers/infiniband/hw/mthca/mthca_allocator.c
..
..
@@ -214,8 +214,6 @@
214
214
 
215
215
 		dma_unmap_addr_set(&buf->direct, mapping, t);
216
216
 
217
-		memset(buf->direct.buf, 0, size);
218
-
219
217
 		while (t & ((1 << shift) - 1)) {
220
218
 			--shift;
221
219
 			npages *= 2;