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

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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>
This commit is contained in:
Konrad Rzeszutek Wilk 2011-03-14 11:42:40 -04:00
parent 95d2ac4a0c
commit 40095de1f9
1 changed files with 2 additions and 10 deletions
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12
drivers/xen/balloon.c
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@ -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);