[patch 17/39] remap_file_pages protection support: safety net for lazy arches

From: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]> Since proper support requires that the arch at the very least handles VM_FAULT_SIGSEGV, as in next patch (otherwise the arch may BUG), and things are even more complex (see next patches), and it's triggerable only with VM_NONUNIFORM vma's,

[patch 17/39] remap_file_pages protection support: safety net for lazy arches

From: Paolo 'Blaisorblade' Giarrusso <[EMAIL PROTECTED]> Since proper support requires that the arch at the very least handles VM_FAULT_SIGSEGV, as in next patch (otherwise the arch may BUG), and things are even more complex (see next patches), and it's triggerable only with VM_NONUNIFORM vma's,