Bananymous/banan-os
1
1
Fork 1
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Kernel: Implement per cpu fast pages

Browse Source 
Basically every fast page usage should be converted into this but I'll
do them one by one when they show up in profiles
This commit is contained in:
Bananymous
2026-05-20 00:16:56 +03:00
parent 376e4b4c45
commit 7704e3c5c0
3 changed files with 40 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/arch/i686/PageTable.cpp
View File

@@ -258,7 +258,11 @@ namespace Kernel
ASSERT(index < 512);
ASSERT(s_fast_page_pt);
ASSERT(s_fast_page_lock.current_processor_has_lock());
if (index < reserved_fast_pages)
ASSERT(s_fast_page_lock.current_processor_has_lock());
else
ASSERT(Processor::get_interrupt_state() == InterruptState::Disabled);
ASSERT(!(s_fast_page_pt[index] & Flags::Present));
s_fast_page_pt[index] = paddr | Flags::ReadWrite | Flags::Present;
@@ -272,7 +276,11 @@ namespace Kernel
{
ASSERT(index < 512);
ASSERT(s_fast_page_pt);
ASSERT(s_fast_page_lock.current_processor_has_lock());
if (index < reserved_fast_pages)
ASSERT(s_fast_page_lock.current_processor_has_lock());
else
ASSERT(Processor::get_interrupt_state() == InterruptState::Disabled);
ASSERT((s_fast_page_pt[index] & Flags::Present));
s_fast_page_pt[index] = 0;