为0的时候,一旦出现内存错误,就panic 3、min_free_kbytees 内核在low memory的zone中保留的空间,是靠这个值来计算的如果设的太小,那系统就三天两头的崩溃,如果设的太大,那就会引发OOM 4、mmap_min_addr 5、oom_dump_tasks 当oom killer被引发的时候,将进程的信息输出,包括pid、uid、tgid、vm、rss、cpu等 ...
mmap_min_addr mmap_rnd_bits mmap_rnd_compat_bits nr_hugepages nr_overcommit_hugepages nr_trim_pages (only if CONFIG_MMU=n) numa_zonelist_order oom_dump_tasks oom_kill_allocating_task overcommit_kbytes overcommit_memory overcommit_ratio page-cluster panic_on_oom percpu_pagelist_fraction stat_...
mmap_min_addr mmap_rnd_bits mmap_rnd_compat_bits nr_hugepages nr_overcommit_hugepages nr_trim_pages (only if CONFIG_MMU=n) numa_zonelist_order oom_dump_tasks oom_kill_allocating_task overcommit_kbytes overcommit_memory overcommit_ratio page-cluster panic_on_oom percpu_pagelist_fraction stat_...
工作中进行linux内核调优遇到vm.mmap_min_addr参数？什么意思呢？网络规划设计师、敏捷专家、CISP、ITSS服...
十四mmap_min_addr This file indicates the amount of address space which a user process will be restricted from mmaping. Since kernel null dereference bugs could accidentally operate based on the information in the first couple of pages of memory userspace processes should not be allowed to write...
Linux虚拟内存(VM)相关参数解析 linux控制内存的内核参数，大多放在在/proc/sys/vm目录下，主要分为几类：控制内存cache 1、dirty_background_bytes/dirty_background_ratio 当dirty cache到了多少的时候，就启动pdflush进程，将dirty cache写回磁盘 当有dirty_background_bytes存在的时候，dirty_background_ratio是...
7、时候,开启为 0 的时候,一旦出现内存错误,就 panic3、min_free_kbytees内核在 low memory 的 zone 中保留的空间,是靠这个值来计算的如果设的太小,那系统就三天两头的崩溃,如果设的太大,那就会引发 OOM4、mmap_min_addr5、oom_dump_tasks当 oom killer 被引发的时候,将进程的信息输出,包括 pid、uid、...
十四mmap_min_addr This file indicates the amount of address space which a user process will be restricted from mmaping. Since kernel null dereference bugs could accidentally operate based on the information in the first couple of pages of memory userspace processes should not be allowed to write...
vm.min_free_kbytes = 2033 vm.percpu_pagelist_fraction = 0 vm.max_map_count = 65536 vm.laptop_mode = 0 vm.block_dump = 0 vm.vfs_cache_pressure = 100 vm.legacy_va_layout = 0 vm.stat_interval = 1 vm.mmap_min_addr = 0
十四mmap_min_addr This file indicates the amount of address space which a user process will be restricted from mmaping. Since kernel null dereference bugs could accidentally operate based on the information in the first couple of pages of memory userspace processes should not be allowed to write...