legacy_va_layout

Could anyone explain or refer me to some documentation that explains the purpose of the legacy_va_layout sysctl option? Essentially, I'm looking to understand how the legacy layout is different from the current 2.6-series VA space layout. Thanks muchly in advance -Chris -- Chris Bookholt

2.6 Series Mem Mgmt

I'm hoping someone can help explain part of the layout of a process' virtual address space in the 2.6 series kernel. Below is the output of "cat /proc/self/maps" on Fedora Core 3 (2.6.9-1.6_FC2) with exec-shield[-randomize] disabled and legacy_vm_layout enabled. What is being mapped in at

2.6 Series Mem Mgmt

I'm hoping someone can help explain part of the layout of a process' virtual address space in the 2.6 series kernel. Below is the output of cat /proc/self/maps on Fedora Core 3 (2.6.9-1.6_FC2) with exec-shield[-randomize] disabled and legacy_vm_layout enabled. What is being mapped in at last

legacy_va_layout

Could anyone explain or refer me to some documentation that explains the purpose of the legacy_va_layout sysctl option? Essentially, I'm looking to understand how the legacy layout is different from the current 2.6-series VA space layout. Thanks muchly in advance -Chris -- Chris Bookholt