LadybirdBrowser/ladybird
1
1
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2024-09-20 01:37:39 +03:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Ignore MADV_SET_NONVOLATILE if already non-volatile

Browse Source 
Just return 0 right away without changing any region flags.
This commit is contained in:
Andreas Kling 2019-12-18 20:48:58 +01:00
parent 487f9b373b
commit 72ec2fae6e
Notes: sideshowbarker 2024-07-19 10:49:12 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/72ec2fae6ef
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Kernel/Process.cpp
View File

@ -358,6 +358,8 @@ int Process::sys$madvise(void* address, size_t size, int advice)
if (!region->vmobject().is_purgeable())
return -EPERM;
auto& vmobject = static_cast<PurgeableVMObject&>(region->vmobject());
if (!vmobject.is_volatile())
return 0;
vmobject.set_volatile(false);
bool was_purged = vmobject.was_purged();
vmobject.set_was_purged(false);