diff --git a/src/apps/processcontroller/KernelMemoryBarMenuItem.cpp b/src/apps/processcontroller/KernelMemoryBarMenuItem.cpp
index ebe364b785..8b7772b155 100644
--- a/src/apps/processcontroller/KernelMemoryBarMenuItem.cpp
+++ b/src/apps/processcontroller/KernelMemoryBarMenuItem.cpp
@@ -39,9 +39,9 @@ KernelMemoryBarMenuItem::KernelMemoryBarMenuItem(system_info& systemInfo)
 	fLastSum = -1;
 	fGrenze1 = -1;
 	fGrenze2 = -1;
-	fPhysicalMemory = systemInfo.max_pages * B_PAGE_SIZE / 1024LL;
-	fCommittedMemory = systemInfo.used_pages * B_PAGE_SIZE / 1024LL;
-	fCachedMemory = systemInfo.cached_pages * B_PAGE_SIZE / 1024LL;
+	fPhysicalMemory = (int64)systemInfo.max_pages * B_PAGE_SIZE / 1024LL;
+	fCommittedMemory = (int64)systemInfo.used_pages * B_PAGE_SIZE / 1024LL;
+	fCachedMemory = (int64)systemInfo.cached_pages * B_PAGE_SIZE / 1024LL;
 }
 
 
diff --git a/src/apps/processcontroller/MemoryBarMenu.cpp b/src/apps/processcontroller/MemoryBarMenu.cpp
index f773d981dd..cdd8a925b4 100644
--- a/src/apps/processcontroller/MemoryBarMenu.cpp
+++ b/src/apps/processcontroller/MemoryBarMenu.cpp
@@ -89,8 +89,8 @@ MemoryBarMenu::Pulse()
 {
 	system_info	sinfo;
 	get_system_info(&sinfo);
-	int committedMemory = int(sinfo.used_pages * B_PAGE_SIZE / 1024);
-	int cachedMemory = int(sinfo.cached_pages * B_PAGE_SIZE / 1024);
+	int64 committedMemory = (int64)sinfo.used_pages * B_PAGE_SIZE / 1024;
+	int64 cachedMemory = (int64)sinfo.cached_pages * B_PAGE_SIZE / 1024;
 	Window()->BeginViewTransaction();
 
 	// create the list of items to remove, for their team is gone. Update the old teams.
diff --git a/src/apps/processcontroller/MemoryBarMenuItem.cpp b/src/apps/processcontroller/MemoryBarMenuItem.cpp
index 34fca14177..bd5ccb7f60 100644
--- a/src/apps/processcontroller/MemoryBarMenuItem.cpp
+++ b/src/apps/processcontroller/MemoryBarMenuItem.cpp
@@ -55,7 +55,7 @@ MemoryBarMenuItem::Init()
 	fAllMemory = -1;
 	fGrenze1 = -1;
 	fGrenze2 = -1;
-	fLastCommited = -1;
+	fLastCommitted = -1;
 	fLastWrite = -1;
 	fLastAll = -1;
 }
@@ -108,7 +108,7 @@ MemoryBarMenuItem::DrawBar(bool force)
 {
 	// only draw anything if something has changed
 	if (!force && fWriteMemory == fLastWrite && fAllMemory == fLastAll
-		&& fCommitedMemory == fLastCommited)
+		&& fCommittedMemory == fLastCommitted)
 		return;
 
 	bool selected = IsSelected();
@@ -135,8 +135,10 @@ MemoryBarMenuItem::DrawBar(bool force)
 
 	rect.InsetBy(1, 1);
 	BRect r = rect;
-	double grenze1 = rect.left + (rect.right - rect.left) * float(fWriteMemory) / fCommitedMemory;
-	double grenze2 = rect.left + (rect.right - rect.left) * float(fAllMemory) / fCommitedMemory;
+	double grenze1 = rect.left + (rect.right - rect.left) * float(fWriteMemory)
+		/ fCommittedMemory;
+	double grenze2 = rect.left + (rect.right - rect.left) * float(fAllMemory)
+		/ fCommittedMemory;
 	if (grenze1 > rect.right)
 		grenze1 = rect.right;
 	if (grenze2 > rect.right)
@@ -188,7 +190,7 @@ MemoryBarMenuItem::DrawBar(bool force)
 	fGrenze1 = grenze1;
 	fGrenze2 = grenze2;
 
-	fLastCommited = fCommitedMemory;
+	fLastCommitted = fCommittedMemory;
 
 	// Draw the values if necessary; if only fCommitedMemory changes, only
 	// the bar might have to be updated
@@ -234,9 +236,9 @@ MemoryBarMenuItem::GetContentSize(float* _width, float* _height)
 
 
 int
-MemoryBarMenuItem::UpdateSituation(int64 commitedMemory)
+MemoryBarMenuItem::UpdateSituation(int64 committedMemory)
 {
-	fCommitedMemory = commitedMemory;
+	fCommittedMemory = committedMemory;
 	BarUpdate();
 	return fWriteMemory;
 }
diff --git a/src/apps/processcontroller/MemoryBarMenuItem.h b/src/apps/processcontroller/MemoryBarMenuItem.h
index e254b1fc50..586a18b9af 100644
--- a/src/apps/processcontroller/MemoryBarMenuItem.h
+++ b/src/apps/processcontroller/MemoryBarMenuItem.h
@@ -36,17 +36,17 @@ class MemoryBarMenuItem : public BMenuItem {
 
 		void			DrawIcon();
 		void			DrawBar(bool force);
-		int				UpdateSituation(int64 commitedMemory);
+		int				UpdateSituation(int64 committedMemory);
 		void			BarUpdate();
 		void			Init();
 		void			Reset(char* name, team_id team, BBitmap* icon, bool deleteIcon);
 
 	private:
 		int64			fPhysicalMemory;
-		int64			fCommitedMemory;
+		int64			fCommittedMemory;
 		int64			fWriteMemory;
 		int64			fAllMemory;
-		int64			fLastCommited;
+		int64			fLastCommitted;
 		int64			fLastWrite;
 		int64			fLastAll;
 		team_id			fTeamID;
diff --git a/src/apps/processcontroller/ProcessController.cpp b/src/apps/processcontroller/ProcessController.cpp
index eadb0c0edb..4925f065f3 100644
--- a/src/apps/processcontroller/ProcessController.cpp
+++ b/src/apps/processcontroller/ProcessController.cpp
@@ -738,14 +738,14 @@ thread_popup(void *arg)
 	// Memory Usage section
 	MemoryBarMenu* MemoryPopup = new MemoryBarMenu(B_TRANSLATE("Memory usage"),
 	infos, systemInfo);
-	int commitedMemory = int(systemInfo.used_pages * B_PAGE_SIZE / 1024);
+	int64 committedMemory = (int64)systemInfo.used_pages * B_PAGE_SIZE / 1024;
 	for (m = 0; m < systemInfo.used_teams; m++) {
 		if (infos[m].team_info.team >= 0) {
 			MemoryBarMenuItem* memoryItem =
 				new MemoryBarMenuItem(infos[m].team_name,
 					infos[m].team_info.team, infos[m].team_icon, false, NULL);
 			MemoryPopup->AddItem(memoryItem);
-			memoryItem->UpdateSituation(commitedMemory);
+			memoryItem->UpdateSituation(committedMemory);
 		}
 	}