01/01: [NTOSKRNL] Make lazy writer thread run with higher priority.

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=4a910a12cce2648652617…

commit 4a910a12cce264865261718ca8fe462cba45e4c0
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Wed Jan 24 10:09:19 2018 +0100
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Wed Jan 24 10:09:19 2018 +0100

    [NTOSKRNL] Make lazy writer thread run with higher priority.
    
    CORE-14248
---
 ntoskrnl/cc/view.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ntoskrnl/cc/view.c b/ntoskrnl/cc/view.c
index 2bab26c446..5588a912db 100644
--- a/ntoskrnl/cc/view.c
+++ b/ntoskrnl/cc/view.c
@@ -1387,6 +1387,7 @@ CcInitView (
 {
     HANDLE LazyWriter;
     NTSTATUS Status;
+    KPRIORITY Priority;
     OBJECT_ATTRIBUTES ObjectAttributes;
 
     DPRINT("CcInitView()\n");
@@ -1458,6 +1459,13 @@ CcInitView (
         return FALSE;
     }
 
+    Priority = 27;
+    Status = NtSetInformationThread(LazyWriter,
+                                   ThreadPriority,
+                                   &Priority,
+                                   sizeof(Priority));
+    ASSERT(NT_SUCCESS(Status));
+
     /* Handle is not needed */
     ObCloseHandle(LazyWriter, KernelMode);