리눅스 메모리 사용 제약

Memory	Size ( Kb )	Page ( 4Kb )
Array (Stack)	8 Kb	2 page
kmalloc (Heap)	128 Kb	32 page
__get_free_page( )	2048 Kb	512 page
vmalloc	unlimited	unlimited

 

메모리 관련 설정 확인

[root@devlinux iptv] # ulimit -a

core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
max nice                        (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 8192
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
max rt priority                 (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 8192
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited