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| author | Petr Tesarik <ptesarik@suse.com> | 2025-06-27 12:10:09 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2025-07-01 13:25:36 -0600 |
| commit | 4d3c6bc11b057a8cf0e76f49d4f0d7184b0e32b6 (patch) | |
| tree | 98f705c0ff9ca7689926d4ea80c44ce8c1b93cbd /mm/dmapool.c | |
| parent | docs: dma-api: use "DMA API" consistently throughout the document (diff) | |
| download | linux-4d3c6bc11b057a8cf0e76f49d4f0d7184b0e32b6.tar.gz linux-4d3c6bc11b057a8cf0e76f49d4f0d7184b0e32b6.zip | |
docs: dma-api: replace consistent with coherent
For consistency, always use the term "coherent" when talking about memory
that is not subject to CPU caching effects. The term "consistent" is a
relic of a long-removed PCI DMA API (pci_alloc_consistent() and
pci_free_consistent() functions).
Signed-off-by: Petr Tesarik <ptesarik@suse.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250627101015.1600042-3-ptesarik@suse.com
Diffstat (limited to 'mm/dmapool.c')
| -rw-r--r-- | mm/dmapool.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/dmapool.c b/mm/dmapool.c index 5be8cc1c6529..5d8af6e29127 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -200,7 +200,7 @@ static void pool_block_push(struct dma_pool *pool, struct dma_block *block, /** - * dma_pool_create_node - Creates a pool of consistent memory blocks, for dma. + * dma_pool_create_node - Creates a pool of coherent DMA memory blocks. * @name: name of pool, for diagnostics * @dev: device that will be doing the DMA * @size: size of the blocks in this pool. @@ -210,7 +210,7 @@ static void pool_block_push(struct dma_pool *pool, struct dma_block *block, * Context: not in_interrupt() * * Given one of these pools, dma_pool_alloc() - * may be used to allocate memory. Such memory will all have "consistent" + * may be used to allocate memory. Such memory will all have coherent * DMA mappings, accessible by the device and its driver without using * cache flushing primitives. The actual size of blocks allocated may be * larger than requested because of alignment. @@ -395,7 +395,7 @@ void dma_pool_destroy(struct dma_pool *pool) EXPORT_SYMBOL(dma_pool_destroy); /** - * dma_pool_alloc - get a block of consistent memory + * dma_pool_alloc - get a block of coherent memory * @pool: dma pool that will produce the block * @mem_flags: GFP_* bitmask * @handle: pointer to dma address of block |