xen/balloon: Remove pr_info's and don't alter retry_count

In the past the retry_count (in other form of this code) was zero.
Meaning retry forever. Do the same thing here without changing it to
the value 16.

Also remove some of the pr_info as there is no need to spam
the user.

Acked-by: Ian Campbell <Ian.Campbell@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 2 insertions, 10 deletions

diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 6cd2530f2330..77e6ad38c0b9 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -199,15 +199,10 @@ static enum bp_state update_schedule(enum bp_state state)
                 return BP_DONE;
         }
 
-        pr_info("xen_balloon: Retry count: %lu/%lu\n", balloon_stats.retry_count,
-                        balloon_stats.max_retry_count);
-
         ++balloon_stats.retry_count;
 
         if (balloon_stats.max_retry_count != RETRY_UNLIMITED &&
                         balloon_stats.retry_count > balloon_stats.max_retry_count) {
-                pr_info("xen_balloon: Retry count limit exceeded\n"
-                        "xen_balloon: Balloon operation canceled\n");
                 balloon_stats.schedule_delay = 1;
                 balloon_stats.retry_count = 1;
                 return BP_ECANCELED;
@@ -260,10 +255,8 @@ static enum bp_state increase_reservation(unsigned long nr_pages)
         set_xen_guest_handle(reservation.extent_start, frame_list);
         reservation.nr_extents = nr_pages;
         rc = HYPERVISOR_memory_op(XENMEM_populate_physmap, &reservation);
-        if (rc <= 0) {
-                pr_info("xen_balloon: %s: Cannot allocate memory\n", __func__);
+        if (rc <= 0)
                 return BP_EAGAIN;
-        }
 
         for (i = 0; i < rc; i++) {
                 page = balloon_retrieve();
@@ -313,7 +306,6 @@ static enum bp_state decrease_reservation(unsigned long nr_pages)
 
         for (i = 0; i < nr_pages; i++) {
                 if ((page = alloc_page(GFP_BALLOON)) == NULL) {
-                        pr_info("xen_balloon: %s: Cannot allocate memory\n", __func__);
                         nr_pages = i;
                         state = BP_EAGAIN;
                         break;
@@ -456,7 +448,7 @@ static int __init balloon_init(void)
         balloon_stats.schedule_delay = 1;
         balloon_stats.max_schedule_delay = 32;
         balloon_stats.retry_count = 1;
-        balloon_stats.max_retry_count = 16;
+        balloon_stats.max_retry_count = RETRY_UNLIMITED;
 
         register_balloon(&balloon_sysdev);