"Paul van der Zwan" <paul(dot)vanderzwan(at)sun(dot)com> writes:
> Only systems with large pagesizes support ISM, so always defining
> #define PG_SHMAT_FLAGS SHM_SHARE_MMU
> in src/backend/port/sysv_shmem.c will cause all calls to shmat to fail with
> EINVAL on systems that do not support large pages.
That code's been in there since PG 7.3, and no one before you has
complained. Are you sure you've identified the problem correctly?
regards, tom lane
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