# # For a description of the syntax of this configuration file, # see the file kconfig-language.txt in the NuttX tools repository. # config FS_TMPFS bool "TMPFS file system" default n depends on !DISABLE_MOUNTPOINT ---help--- Enable TMPFS filesystem support if FS_TMPFS config FS_TMPFS_BLOCKSIZE int "Reported block size" default 512 ---help--- Various queries expect the file system to report resources in units of blocks. There are, of course, no blocks with the TMPFS. This options is available to control how sizes are reported. For very small TMPFS systems, you might want to set this to something smaller the usual 512 bytes. config FS_TMPFS_DIRECTORY_ALLOCGUARD int "Directory object over-allocation" default 64 ---help--- In order to avoid frequent reallocations, a little more memory than needed is always allocated. This permits the directory to grow without so many realloctions. config FS_TMPFS_DIRECTORY_FREEGUARD int "Directory under free" default 128 ---help--- In order to avoid frequent reallocations, a lot of free memory has to be available before a directory entry shrinks (via reallocation) little more memory than needed is always allocated. This permits the directory to shrink without so many realloctions. config FS_TMPFS_FILE_ALLOCGUARD int "Directory object over-allocation" default 512 ---help--- In order to avoid frequent reallocations, a little more memory than needed is always allocated. This permits the file to grow without so many realloctions. You will probably want to use smaller value than the default on tiny TMFPS systems. config FS_TMPFS_FILE_FREEGUARD int "Directory under free" default 1024 ---help--- In order to avoid frequent reallocations, a lot of free memory has to be available before a directory entry shrinks (via reallocation) little more memory than needed is always allocated. This permits the file to shrink without so many realloctions. endif