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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-07-27 23:14:08 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2017-07-27 23:14:08 +0200 |
| commit | f6248dd88dba3aeb19351410a027d92eee7ceb72 (patch) | |
| tree | 9dfe33ca030186ffd5007784d0647a8306d41be9 /drivers/xen/grant-table.c | |
| parent | 880a66275ef4d1e08e5d4dcf4cec768de18c68ef (diff) | |
| parent | 02cb489be7ad07e74ab40baa908d2e20460ebdb2 (diff) | |
Merge branches 'acpi-pm' and 'acpi-numa'
* acpi-pm:
ACPI / PM / EC: Flush all EC work in acpi_freeze_sync()
ACPI / EC: Add parameter to force disable the GPE on suspend
* acpi-numa:
ACPI: NUMA: Fix typo in the full name of SRAT
ACPI: NUMA: add missing include in acpi_numa.h
Diffstat (limited to 'drivers/xen/grant-table.c')
| -rw-r--r-- | drivers/xen/grant-table.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index d6786b87e13b..2c6a9114d332 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -42,6 +42,7 @@ #include <linux/delay.h> #include <linux/hardirq.h> #include <linux/workqueue.h> +#include <linux/ratelimit.h> #include <xen/xen.h> #include <xen/interface/xen.h> @@ -1072,8 +1073,14 @@ static int gnttab_expand(unsigned int req_entries) cur = nr_grant_frames; extra = ((req_entries + (grefs_per_grant_frame-1)) / grefs_per_grant_frame); - if (cur + extra > gnttab_max_grant_frames()) + if (cur + extra > gnttab_max_grant_frames()) { + pr_warn_ratelimited("xen/grant-table: max_grant_frames reached" + " cur=%u extra=%u limit=%u" + " gnttab_free_count=%u req_entries=%u\n", + cur, extra, gnttab_max_grant_frames(), + gnttab_free_count, req_entries); return -ENOSPC; + } rc = gnttab_map(cur, cur + extra - 1); if (rc == 0) |