Detailed revision comments:

r6830 | marko | 2010-03-18 09:48:18 +0200 (Thu, 18 Mar 2010) | 3 lines
branches/zip: buf_page_peek_if_too_old(): Use 32-bit arithmetics
when comparing the age of access_time to buf_LRU_old_threshold_ms.
This fixes a bug on 64-bit systems.