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Kernel: Mark sys$madvise as not needing the big lock
All accesses to shared mutable data are already serialized behind the process address space spinlock.
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2 changed files with 2 additions and 2 deletions
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@ -121,7 +121,7 @@ enum class NeedsBigProcessLock {
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S(link, NeedsBigProcessLock::No) \
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S(listen, NeedsBigProcessLock::No) \
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S(lseek, NeedsBigProcessLock::No) \
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S(madvise, NeedsBigProcessLock::Yes) \
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S(madvise, NeedsBigProcessLock::No) \
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S(map_time_page, NeedsBigProcessLock::Yes) \
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S(mkdir, NeedsBigProcessLock::No) \
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S(mknod, NeedsBigProcessLock::No) \
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@ -407,7 +407,7 @@ ErrorOr<FlatPtr> Process::sys$mprotect(Userspace<void*> addr, size_t size, int p
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ErrorOr<FlatPtr> Process::sys$madvise(Userspace<void*> address, size_t size, int advice)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
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VERIFY_NO_PROCESS_BIG_LOCK(this);
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TRY(require_promise(Pledge::stdio));
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auto range_to_madvise = TRY(Memory::expand_range_to_page_boundaries(address.ptr(), size));
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