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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 00:43:29 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-16 00:43:29 +0300 |
| commit | 5a32c3413d3340f90c82c84b375ad4b335a59f28 (patch) | |
| tree | 4166f2ff0fca170bdd9bab6e56cac99baac37ace /mm/Kconfig | |
| parent | f065199d4df0b1512f935621d2de128ddb3fcc3a (diff) | |
| parent | 2a410d09417b5344ab1f3cf001ac73a1daf8dcce (diff) | |
| download | linux-5a32c3413d3340f90c82c84b375ad4b335a59f28.tar.xz | |
Merge tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- rework the non-coherent DMA allocator
- move private definitions out of <linux/dma-mapping.h>
- lower CMA_ALIGNMENT (Paul Cercueil)
- remove the omap1 dma address translation in favor of the common code
- make dma-direct aware of multiple dma offset ranges (Jim Quinlan)
- support per-node DMA CMA areas (Barry Song)
- increase the default seg boundary limit (Nicolin Chen)
- misc fixes (Robin Murphy, Thomas Tai, Xu Wang)
- various cleanups
* tag 'dma-mapping-5.10' of git://git.infradead.org/users/hch/dma-mapping: (63 commits)
ARM/ixp4xx: add a missing include of dma-map-ops.h
dma-direct: simplify the DMA_ATTR_NO_KERNEL_MAPPING handling
dma-direct: factor out a dma_direct_alloc_from_pool helper
dma-direct check for highmem pages in dma_direct_alloc_pages
dma-mapping: merge <linux/dma-noncoherent.h> into <linux/dma-map-ops.h>
dma-mapping: move large parts of <linux/dma-direct.h> to kernel/dma
dma-mapping: move dma-debug.h to kernel/dma/
dma-mapping: remove <asm/dma-contiguous.h>
dma-mapping: merge <linux/dma-contiguous.h> into <linux/dma-map-ops.h>
dma-contiguous: remove dma_contiguous_set_default
dma-contiguous: remove dev_set_cma_area
dma-contiguous: remove dma_declare_contiguous
dma-mapping: split <linux/dma-mapping.h>
cma: decrease CMA_ALIGNMENT lower limit to 2
firewire-ohci: use dma_alloc_pages
dma-iommu: implement ->alloc_noncoherent
dma-mapping: add new {alloc,free}_noncoherent dma_map_ops methods
dma-mapping: add a new dma_alloc_pages API
dma-mapping: remove dma_cache_sync
53c700: convert to dma_alloc_noncoherent
...
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 8c60c49a123b..e72e61c1d62e 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -516,13 +516,14 @@ config CMA_DEBUGFS config CMA_AREAS int "Maximum count of the CMA areas" depends on CMA + default 19 if NUMA default 7 help CMA allows to create CMA areas for particular purpose, mainly, used as device private area. This parameter sets the maximum number of CMA area in the system. - If unsure, leave the default value "7". + If unsure, leave the default value "7" in UMA and "19" in NUMA. config MEM_SOFT_DIRTY bool "Track memory changes" |