On March 03, 2017 5:45 AM Laura Abbott wrote:
>
> +static struct sg_table *dup_sg_table(struct sg_table *table)
> +{
> + struct sg_table *new_table;
> + int ret, i;
> + struct scatterlist *sg, *new_sg;
> +
> + new_table = kzalloc(sizeof(*new_table), GFP_KERNEL);
> + if (!new_
On Wednesday, October 12, 2016 7:50 AM Ruchi Kandoi wrote:
> +/**
> + * struct ion_fd_data - metadata passed from userspace for a handle
s/fd/tag/ ?
> + * @handle: a handle
> + * @tag: a string describing the buffer
> + *
> + * For ION_IOC_TAG userspace populates the handle field with
> + * the
2012/2/5 Michal Nazarewicz :
> On Sun, 05 Feb 2012 05:25:40 +0100, Hillf Danton wrote:
>>
>> Without boot mem reservation, what is the successful rate of CMA to
>> serve requests of 1MiB, 2MiB, 4MiB and 8MiB chunks?
>
>
> CMA will work as long as you manage to
not ask for, part of the compaction.c
>>> is now wrapped in on #ifdef.
>
>
> On Sun, 05 Feb 2012 08:40:08 +0100, Hillf Danton wrote:
>>
>> What if both compaction and CMA are not enabled?
>
>
> What about it? If both are enabled, both will be compiled and us
On Fri, Feb 3, 2012 at 8:18 PM, Marek Szyprowski
wrote:
> From: Michal Nazarewicz
>
> This commit exports some of the functions from compaction.c file
> outside of it adding their declaration into internal.h header
> file so that other mm related code can use them.
>
> This forced compaction.c to
On Fri, Feb 3, 2012 at 8:18 PM, Marek Szyprowski
wrote:
> The Contiguous Memory Allocator is a set of helper functions for DMA
> mapping framework that improves allocations of contiguous memory chunks.
>
> CMA grabs memory on system boot, marks it with CMA_MIGRATE_TYPE and
> gives back to the syst
2012/2/3 Michal Nazarewicz :
>>> +static inline bool migrate_async_suitable(int migratetype)
>
> On Fri, 03 Feb 2012 15:19:54 +0100, Hillf Danton wrote:
>>
>> Just nitpick, since the helper is not directly related to what async
>> means,
>> how about migra
Hello Marek
On Fri, Feb 3, 2012 at 8:18 PM, Marek Szyprowski
wrote:
> From: Michal Nazarewicz
>
> The MIGRATE_CMA migration type has two main characteristics:
> (i) only movable pages can be allocated from MIGRATE_CMA
> pageblocks and (ii) page allocator will never change migration
> type of MIG
