| /Linux-v5.4/arch/parisc/mm/ |
| D | init.c | 84 static unsigned long mem_limit __read_mostly = MAX_MEM;
109 if (limit < mem_limit) in mem_limit_func()
110 mem_limit = limit; in mem_limit_func()
209 if ((mem_max + rsize) > mem_limit) { in setup_bootmem()
210 printk(KERN_WARNING "Memory truncated to %ld MB\n", mem_limit >> 20); in setup_bootmem()
211 if (mem_max == mem_limit) in setup_bootmem()
214 pmem_ranges[i].pages = (mem_limit >> PAGE_SHIFT) in setup_bootmem()
217 mem_max = mem_limit; in setup_bootmem()
669 if (initrd_end && initrd_end > mem_limit) { in pagetable_init()
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| /Linux-v5.4/arch/powerpc/kernel/ |
| D | machine_kexec.c | 207 static unsigned long long mem_limit; variable
230 .value = &mem_limit,
255 mem_limit = cpu_to_be_ulong(memory_limit); in export_crashk_values()
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| /Linux-v5.4/drivers/tty/ |
| D | tty_buffer.c | 93 int space = port->buf.mem_limit - atomic_read(&port->buf.mem_used); in tty_buffer_space_avail()
173 if (atomic_read(&port->buf.mem_used) > port->buf.mem_limit) in tty_buffer_alloc()
580 buf->mem_limit = TTYB_DEFAULT_MEM_LIMIT; in tty_buffer_init()
595 port->buf.mem_limit = limit; in tty_buffer_set_limit()
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| /Linux-v5.4/Documentation/admin-guide/blockdev/ |
| D | zram.rst | 137 Set memory limit by writing the value to sysfs node 'mem_limit'.
143 echo $((50*1024*1024)) > /sys/block/zram0/mem_limit
146 echo 256K > /sys/block/zram0/mem_limit
147 echo 512M > /sys/block/zram0/mem_limit
148 echo 1G > /sys/block/zram0/mem_limit
151 echo 0 > /sys/block/zram0/mem_limit
199 mem_limit WO specifies the maximum amount of memory ZRAM can
262 mem_limit the maximum amount of memory ZRAM can use to store
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| /Linux-v5.4/arch/x86/boot/compressed/ |
| D | kaslr.c | 98 static unsigned long long mem_limit = ULLONG_MAX; variable
198 mem_limit = size; in mem_avoid_memmap()
286 mem_limit = mem_size; in handle_mem_options()
593 end = min(entry->size + entry->start, mem_limit); in __process_mem_region()
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| /Linux-v5.4/arch/arm/mach-cns3xxx/ |
| D | pcie.c | 232 u16 mem_limit = cnspci->res_mem.end >> 16; in cns3xxx_pcie_hw_init() local
240 cns3xxx_write_config(cnspci, PCI_MEMORY_LIMIT, 2, mem_limit); in cns3xxx_pcie_hw_init()
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| /Linux-v5.4/arch/ia64/kernel/ |
| D | efi.c | 61 static u64 mem_limit = ~0UL, max_addr = ~0UL, min_addr = 0UL; variable
492 mem_limit = memparse(cp + 4, &cp); in efi_init()
1028 if (total_mem + (ae - as) > mem_limit) in find_memmap_space()
1029 ae -= total_mem + (ae - as) - mem_limit; in find_memmap_space()
1147 if (total_mem + (ae - as) > mem_limit) in efi_memmap_init()
1148 ae -= total_mem + (ae - as) - mem_limit; in efi_memmap_init()
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| /Linux-v5.4/Documentation/ABI/testing/ |
| D | sysfs-block-zram | 51 What: /sys/block/zram<id>/mem_limit
55 The mem_limit file is write-only and specifies the maximum
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| /Linux-v5.4/drivers/infiniband/sw/siw/ |
| D | siw_verbs.c | 1204 unsigned long mem_limit = rlimit(RLIMIT_MEMLOCK); in siw_reg_user_mr() local
1220 if (mem_limit != RLIM_INFINITY) { in siw_reg_user_mr()
1223 mem_limit >>= PAGE_SHIFT; in siw_reg_user_mr()
1225 if (num_pages > mem_limit - current->mm->locked_vm) { in siw_reg_user_mr()
1227 num_pages, mem_limit, in siw_reg_user_mr()
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| /Linux-v5.4/arch/alpha/kernel/ |
| D | setup.c | 290 move_initrd(unsigned long mem_limit) in move_initrd() argument
297 if (!start || __pa(start) + size > mem_limit) { in move_initrd()
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| /Linux-v5.4/arch/s390/kvm/ |
| D | kvm-s390.c | 800 kvm->arch.mem_limit); in kvm_s390_get_mem_control()
801 if (put_user(kvm->arch.mem_limit, (u64 __user *)attr->addr)) in kvm_s390_get_mem_control()
860 if (kvm->arch.mem_limit != KVM_S390_NO_MEM_LIMIT && in kvm_s390_set_mem_control()
861 new_limit > kvm->arch.mem_limit) in kvm_s390_set_mem_control()
2491 kvm->arch.mem_limit = KVM_S390_NO_MEM_LIMIT; in kvm_arch_init_vm()
2494 kvm->arch.mem_limit = TASK_SIZE_MAX; in kvm_arch_init_vm()
2496 kvm->arch.mem_limit = min_t(unsigned long, TASK_SIZE_MAX, in kvm_arch_init_vm()
2498 kvm->arch.gmap = gmap_create(current->mm, kvm->arch.mem_limit - 1); in kvm_arch_init_vm()
4520 if (mem->guest_phys_addr + mem->memory_size > kvm->arch.mem_limit) in kvm_arch_prepare_memory_region()
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| /Linux-v5.4/drivers/pcmcia/ |
| D | rsrc_nonstatic.c | 44 INT_MODULE_PARM(mem_limit, 0x10000);
512 if (ok >= mem_limit) in validate_mem()
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| /Linux-v5.4/arch/s390/include/asm/ |
| D | kvm_host.h | 851 unsigned long mem_limit; member
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| /Linux-v5.4/include/linux/ |
| D | tty.h | 93 int mem_limit; member
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| /Linux-v5.4/drivers/block/zram/ |
| D | zram_drv.c | 1826 static DEVICE_ATTR_WO(mem_limit);
|
