Detailed revision comments:

r6109 | jyang | 2009-10-29 10:37:32 +0200 (Thu, 29 Oct 2009) | 7 lines
branches/zip: In os_mem_alloc_large(), if we fail to attach
the shared memory, reset memory pointer ptr to NULL, and
 allocate memory from conventional pool.
Bug #48237 Error handling in os_mem_alloc_large appears to be incorrect
rb://198  Approved by: Marko