Web/tmp resides on a tmpfs-partition and /var is a symlink to it; /dev resides on a little tmpfs partition of its own (+) no wear leveling ... but for proper NAND bad block management … Webinit_tmpfs()during either system start or when the module is begin loaded. This function registers the two filesystems, tmpfsand shm, mounts shmas an internal filesystem with kern_mount(). It then calculates the maximum number of blocks and inodes that can exist in the filesystems. As part of the registration, the
tmpfs Block Size The FreeBSD Forums
WebBy default, a tmpfs partition has its maximum size set to half of the available RAM, however it is possible to overrule this value. To explicitly set a maximum size, in this example to … WebSep 7, 2012 · Done with it. When tmpfs is mounted with a size less than one page the number of blocks is set to 0 which makes the tmpfs mount unlimited. This can lead to a quick and surprising death is someone typos a tmpfs mount command and writes to much. tmpfs can still be mounted as unlimited if size or nr_blocks is exactly 0. the rabbitohs
[OpenWrt Wiki] Saving firmware space and RAM
WebThe memory used by tmpfs grows and shrinks to accommodate the files it contains. Many Unix distributions enable and use tmpfs by default for the /tmp branch of the file system or for shared memory. This can be observed with df as in this example: Filesystem Size Used Avail Use% Mounted on tmpfs 256M 688K 256M 1% /tmp WebTMPFS_SIZE Maximum size for all tmpfs filesystems if no specific size is provided. The default is 20%VM (20% of virtual memory, including swap space). If no value is provided here, the kernel default (50% RAM) will be used. WebThe type of the mount, which can be bind, volume, or tmpfs. This topic discusses tmpfs, so the type is always tmpfs. The destination takes as its value the path where the tmpfs … the rabbit network