* Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > We need to be able to adjust virtual memory layout at runtime to be able > to switch between 4- and 5-level paging at boot-time. > > KASLR already has movable __VMALLOC_BASE, __VMEMMAP_BASE and __PAGE_OFFSET. > Let's re-use it. > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > --- > arch/x86/include/asm/kaslr.h | 4 ---- > arch/x86/include/asm/page_64.h | 4 ++++ > arch/x86/include/asm/page_64_types.h | 2 +- > arch/x86/include/asm/pgtable_64_types.h | 2 +- > arch/x86/kernel/head64.c | 9 +++++++++ > arch/x86/mm/kaslr.c | 8 -------- > 6 files changed, 15 insertions(+), 14 deletions(-) > +#if defined(CONFIG_RANDOMIZE_MEMORY) || defined(CONFIG_X86_5LEVEL) > +#if defined(CONFIG_RANDOMIZE_MEMORY) || defined(CONFIG_X86_5LEVEL) > +#if defined(CONFIG_RANDOMIZE_MEMORY) || defined(CONFIG_X86_5LEVEL) Yeah, so this calls for a new, properly named Kconfig helper variable. Thanks, Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
