Re: [Crash-utility] [PATCH] book3s/ppc64: Lower the max real address to 53 bits

Kernel commit 2f18d533757da3899f4bedab0b2c051b080079dc lowered the max real address to 53 bits. Max the necessary changes here. Without this patch, vmalloc address translation would fail. Signed-off-by: Hari Bathini <hbathini(a)linux.vnet.ibm.com&gt; --- defs.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/defs.h b/defs.h index c779839..fd97ffe 100644 --- a/defs.h +++ b/defs.h @@ -3914,8 +3914,9 @@ struct efi_memory_desc_t { #define PMD_MASKED_BITS_64K_4_6 0xc0000000000000ffUL #define PTE_RPN_MASK_DEFAULT 0xffffffffffffffffUL -#define PTE_RPN_SIZE_L4_4_6 (PAGESIZE() == PPC64_64K_PAGE_SIZE ? 41 : 45) -#define PTE_RPN_MASK_L4_4_6 (((1UL << PTE_RPN_SIZE_L4_4_6) - 1) << PAGESHIFT()) +#define PAGE_PA_MAX_L4_4_6 (THIS_KERNEL_VERSION >= LINUX(4,11,0) ? 53 : 57) +#define PTE_RPN_MASK_L4_4_6 \ + (((1UL << PAGE_PA_MAX_L4_4_6) - 1) & ~((1UL << PAGESHIFT()) - 1)) #define PTE_RPN_SHIFT_L4_4_6 PAGESHIFT() #define PGD_MASKED_BITS_4_7 0xc0000000000000ffUL