[$] Memory persistence over kexec
The kernel’s kexec\
mechanism allows one kernel to directly boot a new one; it can be
thought of as a sort of kernel equivalent to the execve()
system call. Kexec has a number of uses, including booting a special kernel
to perform dumps after a crash. Normally, one does not expect user-space
processes to survive booting into a new kernel, but that has not stopped
developers from trying to im … ⌘ Read more