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
next prev parent 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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