| 24,6 → 24,22 |
|---|
| Allowing, in general, to load and execute two programs that are linked on the same address without complicated relocations. |
| </listitem> |
| </itemizedlist></para> |
| |
| |
| <para><!-- |
| |
| TLB shootdown ASID/ASID:PAGE/ALL. |
| TLB shootdown requests can come in asynchroniously |
| so there is a cache of TLB shootdown requests. Upon cache overflow TLB shootdown ALL is executed |
| |
| |
| <para> |
| Address spaces. Address space area (B+ tree). Only for uspace. Set of syscalls (shrink/extend etc). |
| Special address space area type - device - prohibits shrink/extend syscalls to call on it. |
| Address space has link to mapping tables (hierarchical - per Address space, hash - global tables). |
| </para> |
| |
| --></para> |
| </section> |
| |
| <section> |
| 31,8 → 47,6 |
|---|
| |
| <title>Paging</title> |
| |
| |
| |
| <para>Virtual memory is usually using paged memory model, where virtual |
| memory address space is divided into the <emphasis>pages</emphasis> |
| (usually having size 4096 bytes) and physical memory is divided into the |
| 102,6 → 116,9 |
|---|
| a neni ani nijak osetrena. Tim padem plati, ze kazdy task ma vlastni |
| adresovy prostor</para> |
| </section> |
| |
| |
| |
| </section> |
| |
| <section> |