[Devel] Re: [Bugme-new] [Bug 11381] New: default shmmax

[Solofo.Ramangalahy at bull.net]

>>>>> On Wed, 20 Aug 2008 12:00:43 -0700, Andrew Morton <akpm at linux-foundation.org> said:
    Andrew>I don't think anybody has even thought about the shmmax default in
    Andrew> years.

IIRC, Matt (explicit CC: added) did a review of IPC tunables and how
they are changed in the distributions.

    Andrew> It would be useful to get distro input on this.  Do they
    Andrew> override the kernel default at boot time?  If so, what do
    Andrew> they do?

OpenSuse (11.0 at least) has this:
-#define SHMMAX 0x2000000                /* max shared seg size (bytes) */
+#define SHMMAX ULONG_MAX                /* max shared seg size (bytes) */




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