|> The attached patch provides for variable-sized fd arrays, automatically
|> expanding from a small default (32 files) to the full 1024 when needed. This
|> results in a significant savings of non-pageable kernel memory (about 35 pages
|> just for the system tasks), and should significantly speed up process forking
|> when fewer than 32 files are used.
|> The patch adds an FDSize: entry to the /proc/pid/status output so you can
|> monitor which tasks are using more files. (As discussed previously on the list
|> here, the bash shell opens fd 255 and therefore requires a full fd array.)
How about expanding the fd array in more steps, perhaps 32 -> 256 -> 1024?
Or make the default 64 files, and Bash could be changed to use fd 63
instead (it already allocates from 63 downward for process substitutions).
-- Andreas Schwab "And now for something schwab@issan.informatik.uni-dortmund.de completely different" schwab@gnu.org- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu