[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20181017223332.11964-10-linux@rasmusvillemoes.dk>
Date: Thu, 18 Oct 2018 00:33:30 +0200
From: Rasmus Villemoes <linux@...musvillemoes.dk>
To: linux-kernel@...r.kernel.org
Cc: x86@...nel.org, "H . Peter Anvin" <hpa@...or.com>,
Ingo Molnar <mingo@...nel.org>,
"Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [POC 10/12] hack: /proc/rai: add rai_bucket_shift use
Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
arch/x86/kernel/rai.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/x86/kernel/rai.c b/arch/x86/kernel/rai.c
index e55e85f11a2e..c4284ce7478f 100644
--- a/arch/x86/kernel/rai.c
+++ b/arch/x86/kernel/rai.c
@@ -63,11 +63,21 @@ update_rai_access(void)
static int one, two;
static long three;
+static struct hlist_head *ht1;
+static unsigned shift1;
+
static int
rai_proc_show(struct seq_file *m, void *v) {
+ unsigned hash = 0xdeadbeef;
+
seq_printf(m, "one: %d, two: %d, three: %ld\n",
rai_load(one), rai_load(two), rai_load(three));
+ seq_printf(m, "ht1: %016lx, bucket 0x%08x: %016lx\n",
+ (long)rai_load(ht1), hash, (long)rai_bucket_shift(ht1, shift1, hash));
+
one = two = three = -1;
+ ht1 = NULL;
+ shift1 = 2;
return 0;
}
@@ -89,6 +99,8 @@ static int __init rai_proc_init(void) {
one = 1;
two = 2;
three = 3;
+ ht1 = (void*)0xffffffffabcd0000UL;
+ shift1 = 26;
proc_create("rai", 0, NULL, &rai_proc_fops);
return 0;
--
2.19.1.6.gbde171bbf5
Powered by blists - more mailing lists