---

yaml --- r: 123003 b: refs/heads/master c: 4090019 h: refs/heads/master i: 123001: ea3e1f7 122999: 7ecb912 v: v3
git-mirror · Nov 5, 2008 · 0eb5eae · 0eb5eae
1 parent 924070f
commit 0eb5eae
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Showing 4 changed files with 14 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1ef8014debb6410ed1960c4477d0006df11157c1
+refs/heads/master: 409001948d9f221c94a61c3ee96de112755fc04d
diff --git a/trunk/arch/powerpc/include/asm/lppaca.h b/trunk/arch/powerpc/include/asm/lppaca.h
@@ -133,7 +133,8 @@ struct lppaca {
 //=============================================================================
 // CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data
 //=============================================================================
-	u8	pmc_save_area[256];	// PMC interrupt Area           x00-xFF
+	u32	page_ins;			// CMO Hint - # page ins by OS  x00-x04
+	u8	pmc_save_area[252];	// PMC interrupt Area           x04-xFF
 } __attribute__((__aligned__(0x400)));
 
 extern struct lppaca lppaca[];

diff --git a/trunk/arch/powerpc/kernel/paca.c b/trunk/arch/powerpc/kernel/paca.c
@@ -37,6 +37,7 @@ struct lppaca lppaca[] = {
 		.end_of_quantum = 0xfffffffffffffffful,
 		.slb_count = 64,
 		.vmxregs_in_use = 0,
+		.page_ins = 0,
 	},
 };
 

diff --git a/trunk/arch/powerpc/mm/fault.c b/trunk/arch/powerpc/mm/fault.c
@@ -30,6 +30,7 @@
 #include <linux/kprobes.h>
 #include <linux/kdebug.h>
 
+#include <asm/firmware.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
@@ -318,9 +319,16 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
 			goto do_sigbus;
 		BUG();
 	}
-	if (ret & VM_FAULT_MAJOR)
+	if (ret & VM_FAULT_MAJOR) {
 		current->maj_flt++;
-	else
+#ifdef CONFIG_PPC_SMLPAR
+		if (firmware_has_feature(FW_FEATURE_CMO)) {
+			preempt_disable();
+			get_lppaca()->page_ins++;
+			preempt_enable();
+		}
+#endif
+	} else
 		current->min_flt++;
 	up_read(&mm->mmap_sem);
 	return 0;