Linus Torvalds writes: (Summary)
I'm not talking page cache indirection.
I'm not talking page cache indirection.
I'm talking literally mapping a different page into the kernel virtual address space that the failing read was done for.
address space that the failing read was done for.
But you seem to be right that we don't actually support that. It really feels like the obvious solution to any MCE's - just map a dummy page at the address that causes problems. MCE's - just map a dummy page at the address that causes problems.
I'm not talking page cache indirection.
I'm talking literally mapping a different page into the kernel virtual address space that the failing read was done for.
address space that the failing read was done for.
But you seem to be right that we don't actually support that. It really feels like the obvious solution to any MCE's - just map a dummy page at the address that causes problems. MCE's - just map a dummy page at the address that causes problems.