openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

RDMA/core: Remove ib_dma_{alloc,free}_coherent 

These two functions are entirely unused.

Link: https://lore.kernel.org/r/20201106181941.1878556-7-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Christoph Hellwig 2020-11-06 19:19:37 +01:00 committed by Jason Gunthorpe
parent b116c70279
commit 2af29468e3
1 changed files with 0 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
include/rdma/ib_verbs.h
View File

@ -4061,35 +4061,6 @@ static inline void ib_dma_sync_single_for_device(struct ib_device *dev,
dma_sync_single_for_device(dev->dma_device, addr, size, dir);
}
/**
* ib_dma_alloc_coherent - Allocate memory and map it for DMA
* @dev: The device for which the DMA address is requested
* @size: The size of the region to allocate in bytes
* @dma_handle: A pointer for returning the DMA address of the region
* @flag: memory allocator flags
*/
static inline void *ib_dma_alloc_coherent(struct ib_device *dev,
size_t size,
dma_addr_t *dma_handle,
gfp_t flag)
{
return dma_alloc_coherent(dev->dma_device, size, dma_handle, flag);
}
/**
* ib_dma_free_coherent - Free memory allocated by ib_dma_alloc_coherent()
* @dev: The device for which the DMA addresses were allocated
* @size: The size of the region
* @cpu_addr: the address returned by ib_dma_alloc_coherent()
* @dma_handle: the DMA address returned by ib_dma_alloc_coherent()
*/
static inline void ib_dma_free_coherent(struct ib_device *dev,
size_t size, void *cpu_addr,
dma_addr_t dma_handle)
{
dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle);
}
/* ib_reg_user_mr - register a memory region for virtual addresses from kernel
* space. This function should be called when 'current' is the owning MM.
*/