From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Hsien-Wen Chu <chu(dot)hsien(dot)wen(at)gmail(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org, Robert Haas <robertmhaas(at)gmail(dot)com>, daveg <daveg(at)sonic(dot)net>, Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
Subject: | Re: PostgreSQL and HugePage |
Date: | 2010-10-24 16:29:40 |
Message-ID: | 3575.1287937780@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Hsien-Wen Chu <chu(dot)hsien(dot)wen(at)gmail(dot)com> writes:
> as my known, FreeBSD implements this feature called superpage, it's similar
> with Solaris, so is it enabled in default? or any default parameter need to
> be set?
The Solaris-specific code is just that if SHM_SHARE_MMU is defined (by
<sys/ipc.h>, I think) we include it in the flags parameter for shmat(2).
If FreeBSD does it the same way as Solaris then that should work.
regards, tom lane
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