[NTOSKRNL]

- Always trim at least MiMinimumPagesPerRun for each call to MiTrimMemoryConsumer to reduce cache thrashing

svn path=/trunk/; revision=54540

diff --git a/reactos/ntoskrnl/mm/balance.c b/reactos/ntoskrnl/mm/balance.c
index c90d447..9a65e26 100644 (file)
--- a/reactos/ntoskrnl/mm/balance.c
+++ b/reactos/ntoskrnl/mm/balance.c
@@ -146,12 +146,9 @@ MiTrimMemoryConsumer(ULONG Consumer)
    LONG Target;
    ULONG NrFreedPages;
 
    LONG Target;
    ULONG NrFreedPages;
 

-   Target = MiMemoryConsumers[Consumer].PagesUsed -
-            MiMemoryConsumers[Consumer].PagesTarget;
-   if (Target < 1)
-   {
-      Target = 1;
-   }
+   Target = max(MiMinimumPagesPerRun,
+                MiMemoryConsumers[Consumer].PagesUsed -
+                MiMemoryConsumers[Consumer].PagesTarget);

 
    if (MiMemoryConsumers[Consumer].Trim != NULL)
    {
 
    if (MiMemoryConsumers[Consumer].Trim != NULL)
    {