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< __FBSDID("$FreeBSD: head/sys/kern/subr_param.c 242847 2012-11-10 02:08:40Z alfred $");
---
> __FBSDID("$FreeBSD: head/sys/kern/subr_param.c 243631 2012-11-27 21:19:58Z andre $");
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> long maxmbufmem; /* max mbuf memory */
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> long realmem;
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< */
< maxproc = NPROC;
< TUNABLE_INT_FETCH("kern.maxproc", &maxproc);
< /*
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> maxproc = NPROC;
> TUNABLE_INT_FETCH("kern.maxproc", &maxproc);
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< maxfiles = MAXFILES;
< TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles);
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< maxfilesperproc = (maxfiles * 9) / 10;
---
>
> /*
> * The default limit for maxfiles is 1/12 of the number of
> * physical page but not less than 16 times maxusers.
> * At most it can be 1/6 the number of physical pages.
> */
> maxfiles = imax(MAXFILES, physpages / 8);
> TUNABLE_INT_FETCH("kern.maxfiles", &maxfiles);
> if (maxfiles > (physpages / 4))
> maxfiles = physpages / 4;
> maxfilesperproc = (maxfiles / 10) * 9;
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> /*
> * XXX: Does the callout wheel have to be so big?
> */
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> * The default limit for all mbuf related memory is 1/2 of all
> * available kernel memory (physical or kmem).
> * At most it can be 3/4 of available kernel memory.
> */
> realmem = lmin(physpages * PAGE_SIZE,
> VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS);
> maxmbufmem = realmem / 2;
> TUNABLE_LONG_FETCH("kern.maxmbufmem", &maxmbufmem);
> if (maxmbufmem > (realmem / 4) * 3)
> maxmbufmem = (realmem / 4) * 3;
>
> /*
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> TUNABLE_LONG_FETCH("kern.ipc.maxpipekva", &maxpipekva);
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< TUNABLE_LONG_FETCH("kern.ipc.maxpipekva", &maxpipekva);