Kernel: Mark sys$munmap as not needing the big lock

All accesses to shared mutable data are already serialized behind the process address space spinlock.
Author: https://github.com/IdanHo Commit: db10f201c8 Pull-request: https://github.com/SerenityOS/serenity/pull/18178 Reviewed-by: https://github.com/awesomekling ✅
2025-07-28 11:49:44 +00:00 · 2023-04-04 14:14:18 +03:00 · 2023-04-04 14:14:18 +03:00 · db10f201c8 · 2024-07-17 22:55:25 +09:00
commit db10f201c8
parent d1082a00b7
2 changed files with 2 additions and 2 deletions
--- a/Kernel/API/Syscall.h
+++ b/Kernel/API/Syscall.h
@ -130,7 +130,7 @@ enum class NeedsBigProcessLock {
    S(mprotect, NeedsBigProcessLock::No)                   \
    S(mremap, NeedsBigProcessLock::Yes)                    \
    S(msync, NeedsBigProcessLock::Yes)                     \
-    S(munmap, NeedsBigProcessLock::Yes)                    \
+    S(munmap, NeedsBigProcessLock::No)                     \
    S(open, NeedsBigProcessLock::No)                       \
    S(perf_event, NeedsBigProcessLock::Yes)                \
    S(perf_register_string, NeedsBigProcessLock::Yes)      \