diff options
Diffstat (limited to 'arch/x86/boot/compressed')
| -rw-r--r-- | arch/x86/boot/compressed/kaslr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index d02a838c0ce4..66e42a098d70 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -48,8 +48,8 @@ #ifdef CONFIG_X86_5LEVEL unsigned int pgtable_l5_enabled __ro_after_init; -unsigned int pgdir_shift __ro_after_init = 48; -unsigned int ptrs_per_p4d __ro_after_init = 512; +unsigned int pgdir_shift __ro_after_init = 39; +unsigned int ptrs_per_p4d __ro_after_init = 1; #endif extern unsigned long get_cmd_line_ptr(void); @@ -732,6 +732,8 @@ void choose_random_location(unsigned long input, #ifdef CONFIG_X86_5LEVEL if (__read_cr4() & X86_CR4_LA57) { pgtable_l5_enabled = 1; + pgdir_shift = 48; + ptrs_per_p4d = 512; } #endif |