Lines Matching full:48
12 with the 4KB page configuration, allowing 39-bit (512GB) or 48-bit
21 User addresses have bits 63:48 set to 0 while the kernel addresses have
29 AArch64 Linux memory layout with 4KB pages + 4 levels (48-bit)::
66 |63 56|55 48|47 40|39 32|31 24|23 16|15 8|7 0|
81 |63 56|55 48|47 40|39 32|31 24|23 16|15 8|7 0|
88 | +-------------------------------> [47:42] L1 index (48-bit)
108 binary that supports 52-bit must also be able to fall back to 48-bit
112 higher addresses such that they are invariant to 48/52-bit VAs. Due
115 kernel VA space for both 48/52-bit. (Switching from 48-bit to 52-bit,
125 As a single binary will need to support both 48-bit and 52-bit VA
147 VA space maximum size of 48-bits, the kernel will, by default,
148 return virtual addresses to userspace from a 48-bit range.
151 specifying an mmap hint parameter that is larger than 48-bit.