Hi Robin,
On Thu, Jun 30, 2022 at 10:02:00AM +0100, Robin Murphy wrote:
> On 2022-06-30 08:33, Feng Tang wrote:
> > kmalloc will round up the request size to power of 2, and current
> > iova_magazine's size is 1032 (1024+8) bytes, so each instance
> > allocated will g
57565] kmalloc-2048 59164KB 59164KB
Change IOVA_MAG_SIZE from 128 to 127 to make size of 'iova_magazine'
1024 bytes so that no memory will be wasted.
[1]. https://lkml.org/lkml/2019/8/12/266
Signed-off-by: Feng Tang
---
drivers/iommu/iova.c | 7 ++-
1 file changed, 6 i
4.355612] __alloc_pages_nodemask+0x970/0x1030
> > > > > [ 4.355612] cache_grow_begin+0x7d/0x520
> > > > > [ 4.355612] fallback_alloc+0x148/0x200
> > > > > [ 4.355612] kmem_cache_alloc_trace+0xac/0x1f0
> > > > >
that no memory will be wasted.
Signed-off-by: Feng Tang
Acked-by: Robin Murphy
---
Changelog:
since v1:
* update commit log per the comments from Robin and John
drivers/iommu/iova.c | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/iova.c b/drive
