Messages in this thread Patch in this message | | | From | Justin TerAvest <> | Subject | [PATCH][resend] blk-cgroup: Lower minimum weight from 100 to 10. | Date | Tue, 8 Mar 2011 08:04:51 -0800 |
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We've found that we still get good, useful isolation at weights this low. I'd like to adjust the minimum so that any other changes can take these values into account.
Signed-off-by: Justin TerAvest <teravest@google.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> --- Documentation/cgroups/blkio-controller.txt | 2 +- block/blk-cgroup.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt index 4ed7b5c..24314fd 100644 --- a/Documentation/cgroups/blkio-controller.txt +++ b/Documentation/cgroups/blkio-controller.txt @@ -140,7 +140,7 @@ Proportional weight policy files - Specifies per cgroup weight. This is default weight of the group on all the devices until and unless overridden by per device rule. (See blkio.weight_device). - Currently allowed range of weights is from 100 to 1000. + Currently allowed range of weights is from 10 to 1000. - blkio.weight_device - One can specify per cgroup per device rules using this interface. diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index ea4861b..57e7234 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -240,7 +240,7 @@ static inline char *blkg_path(struct blkio_group *blkg) { return NULL; } #endif -#define BLKIO_WEIGHT_MIN 100 +#define BLKIO_WEIGHT_MIN 10 #define BLKIO_WEIGHT_MAX 1000 #define BLKIO_WEIGHT_DEFAULT 500 -- 1.7.3.1
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