diff options
| author | Hannes Reinecke <hare@suse.de> | 2022-03-09 14:29:00 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2022-03-14 08:43:05 +0100 |
| commit | 5e6a7d1eb834be23243c48a964ced67ab0b6e9ce (patch) | |
| tree | 073a021aeafe5e1d23cb2ae324d709c067450b5a /drivers/nvme | |
| parent | 85d9abcd7331566781b93ff46e4bccd4806ef2b2 (diff) | |
| download | linux-5e6a7d1eb834be23243c48a964ced67ab0b6e9ce.tar.bz2 | |
nvme-multipath: use vmalloc for ANA log buffer
The ANA log buffer can get really large, as it depends on the
controller configuration. So to avoid an out-of-memory issue
during scanning use kvmalloc() instead of the kmalloc().
Signed-off-by: Hannes Reinecke <hare@suse.de>
Tested-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/multipath.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index f8bf6606eb2f..3ddc1ba66f0d 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -5,6 +5,7 @@ #include <linux/backing-dev.h> #include <linux/moduleparam.h> +#include <linux/vmalloc.h> #include <trace/events/block.h> #include "nvme.h" @@ -898,7 +899,7 @@ int nvme_mpath_init_identify(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id) if (ana_log_size > ctrl->ana_log_size) { nvme_mpath_stop(ctrl); nvme_mpath_uninit(ctrl); - ctrl->ana_log_buf = kmalloc(ana_log_size, GFP_KERNEL); + ctrl->ana_log_buf = kvmalloc(ana_log_size, GFP_KERNEL); if (!ctrl->ana_log_buf) return -ENOMEM; } @@ -915,7 +916,7 @@ out_uninit: void nvme_mpath_uninit(struct nvme_ctrl *ctrl) { - kfree(ctrl->ana_log_buf); + kvfree(ctrl->ana_log_buf); ctrl->ana_log_buf = NULL; ctrl->ana_log_size = 0; } |