Linux kernel changes
This is a list of changes to the Linux kernel that have been proposed by other people that would affect Plash in some way.
MAP_NOZERO
Davide Libenzi proposed changing the kernel so that newly-allocated pages are not zeroed. (This could go via new syscalls or flags; if not, it breaks the ABI.) This appears to use the process's UID to determine whether the zero pages that have been freed by another process. If we use PtraceJail, checking the UID would not be sufficient to make this safe.
F_GETPATH
This is a proposed addition to fcntl(). PATCH: F_GETPATH for linux