On Thu, May 06, 2004 at 10:19:43AM -0700, Yashwant Shitoot wrote: > Hello Friends, Allright, dinner on you ;-) > My root file system and linux is in rom (flash). The linux itself runs > out of ram. When I reprogram the rom, I erase and write a new image of > the rom from a compact flash card. After the new image is programmed in > the function fclose() hangs up, implying that fclose() is rom resident > and loaded as needed. Does this make sense ? Demand loading that is the binary will be paged in from backing store (which is your ROM) as needed. > Remember even after erasing the rom fopen() works fine. Linux may at any time deciede to discard a page of memory. It does so when it think it has a better use for that memory. Rewriting the underlying device of any filesystem is not a safe thing to do. A possible safe approach would be running from a ramdisk, for example. Ralf
