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From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
	devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
	jasowang@redhat.com
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Subject: [PATCH 1/3] Drivers: hv: hv_balloon: Make adjustments in computing the floor
Date: Tue,  2 Dec 2014 14:29:13 -0800	[thread overview]
Message-ID: <1417559355-13730-1-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1417559331-13691-1-git-send-email-kys@microsoft.com>

Make adjustments in computing the balloon floor.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
 drivers/hv/hv_balloon.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index b958ded..9cbbb83 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -928,9 +928,8 @@ static unsigned long compute_balloon_floor(void)
 	 *     128        72    (1/2)
 	 *     512       168    (1/4)
 	 *    2048       360    (1/8)
-	 *    8192       552    (1/32)
-	 *   32768      1320
-	 *  131072      4392
+	 *    8192       768    (1/16)
+	 *   32768      1536	(1/32)
 	 */
 	if (totalram_pages < MB2PAGES(128))
 		min_pages = MB2PAGES(8) + (totalram_pages >> 1);
@@ -938,8 +937,10 @@ static unsigned long compute_balloon_floor(void)
 		min_pages = MB2PAGES(40) + (totalram_pages >> 2);
 	else if (totalram_pages < MB2PAGES(2048))
 		min_pages = MB2PAGES(104) + (totalram_pages >> 3);
+	else if (totalram_pages < MB2PAGES(8192))
+		min_pages = MB2PAGES(256) + (totalram_pages >> 4);
 	else
-		min_pages = MB2PAGES(296) + (totalram_pages >> 5);
+		min_pages = MB2PAGES(512) + (totalram_pages >> 5);
 #undef MB2PAGES
 	return min_pages;
 }
-- 
1.7.4.1


  reply	other threads:[~2014-12-02 21:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-02 22:28 [PATCH 0/3] Drivers: hv: hv_balloon K. Y. Srinivasan
2014-12-02 22:29 ` K. Y. Srinivasan [this message]
2014-12-02 21:51   ` [PATCH 1/3] Drivers: hv: hv_balloon: Make adjustments in computing the floor Dan Carpenter
2014-12-02 22:03     ` KY Srinivasan
2014-12-02 22:29   ` [PATCH 2/3] Drivers: hv: hv_balloon: Fix a locking bug in the balloon driver K. Y. Srinivasan
2014-12-02 22:29   ` [PATCH 3/3] Drivers: hv: hv_balloon: Don't post pressure status from interrupt context K. Y. Srinivasan
2014-12-07  8:04     ` Sitsofe Wheeler
2014-12-08  6:04       ` KY Srinivasan
2014-12-10 20:50         ` Sitsofe Wheeler
2014-12-10 23:43           ` KY Srinivasan

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