Searched refs:maxpipekva (Results 1 - 4 of 4) sorted by relevance
| /freebsd-12-stable/sys/kern/ |
| H A D | subr_param.c | 103 long maxpipekva; /* Limit on pipe KVA */ variable
290 * The default for maxpipekva is min(1/64 of the kernel address space,
293 maxpipekva = (physpages / 64) * PAGE_SIZE;
294 TUNABLE_LONG_FETCH("kern.ipc.maxpipekva", &maxpipekva);
295 if (maxpipekva < 512 * 1024)
296 maxpipekva = 512 * 1024;
297 if (maxpipekva > (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) / 64)
298 maxpipekva = (VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS) /
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| H A D | sys_pipe.c | 53 * kern.ipc.maxpipekva - This is a hard limit on the amount of pageable
60 * Based on how large pipekva is relative to maxpipekva, the following
213 SYSCTL_LONG(_kern_ipc, OID_AUTO, maxpipekva, CTLFLAG_RDTUN | CTLFLAG_NOFETCH,
214 &maxpipekva, 0, "Pipe KVA limit");
555 printf("kern.ipc.maxpipekva exceeded; see tuning(7)\n");
661 maxpipekva / 2 ? SMALL_PIPE_SIZE : PIPE_SIZE);
689 if (amountpipekva > (3 * maxpipekva) / 4) {
1082 if (amountpipekva > maxpipekva / 2)
1090 if (amountpipekva > (3 * maxpipekva) / 4 &&
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| /freebsd-12-stable/sys/sys/ |
| H A D | pipe.h | 59 extern long maxpipekva;
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| /freebsd-12-stable/sys/vm/ |
| H A D | vm_init.c | 278 pipe_map = kmem_suballoc(kernel_map, &minaddr, &maxaddr, maxpipekva,
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