RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 05:17:34 +00:00
Code Issues Activity Actions

Only COW on fault if the physical page has retain_count > 1.

Browse source 
This makes COW pages lazily-but-transparently revert back to read/write.
This commit is contained in:
Andreas Kling 2018-11-05 14:10:18 +01:00
parent 2d045d2a64
commit 9e62eb4856
4 changed files with 17 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Kernel/i386.cpp
View file

@ -8,6 +8,8 @@
#include "IRQHandler.h"
#include "PIC.h"
//#define PAGE_FAULT_DEBUG
struct DescriptorTablePointer {
WORD size;
void* address;