mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-08-01 13:49:16 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Kernel: Release MM lock while yielding from inode page fault handler

Browse source 
We need to make sure other processors can grab the MM lock while we
wait, so release it when we might block. Reading the page from
disk may also block, so release it during that time as well.
This commit is contained in:
Tom 2021-01-23 09:11:45 -07:00 • committed by Andreas Kling
commit 250a310454
Notes: sideshowbarker 2024-07-18 22:48:34 +09:00
4 changed files with 23 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/VM/MemoryManager.cpp
View file

@ -391,7 +391,7 @@ PageFaultResponse MemoryManager::handle_page_fault(const PageFault& fault)
return PageFaultResponse::ShouldCrash;
}
return region->handle_fault(fault);
return region->handle_fault(fault, lock);
}
OwnPtr<Region> MemoryManager::allocate_contiguous_kernel_region(size_t size, const StringView& name, u8 access, bool user_accessible, bool cacheable)