Lines Matching +full:64 +full:mb

15  * more details. On the x86-64 architecture, HugeTLB pages of size 2MB and 1GB
16  * are currently supported. Since the base page size on x86 is 4KB, a 2MB
30  * architectures. Because arm64 supports 4k, 16k, and 64k base pages and
37  * |    x86-64    |    4KB    |    2MB    |    1GB    |           |           |
39  * |              |    4KB    |   64KB    |    2MB    |    32MB   |    1GB    |
41  * |    arm64     |   16KB    |    2MB    |   32MB    |     1GB   |           |
43  * |              |   64KB    |    2MB    |  512MB    |    16GB   |           |
69  *                = 64 / 8
75  * This optimization only supports 64-bit system, so the value of sizeof(pte_t)
77  * is a power of two. In most cases, the size of struct page is 64 bytes (e.g.
78  * x86-64 and arm64). So if we use pmd level mapping for a HugeTLB page, the
91  * E.g.: A 2MB HugeTLB page on x86_64 consists in 8 page frames while 1GB