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* fix audio bug

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This commit is contained in:
lxowalle
2025-03-11 18:02:41 +08:00
parent 74169741e0
commit e4e133f3df
1 changed files with 5 additions and 1 deletions
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6
linux_5.10/kernel/dma/pool.c
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@@ -20,6 +20,10 @@ static unsigned long pool_size_dma32;
static struct gen_pool *atomic_pool_kernel __ro_after_init;
static unsigned long pool_size_kernel;
#ifndef DEFAULT_DMA_COHERENT_POOL_SIZE
#define DEFAULT_DMA_COHERENT_POOL_SIZE SZ_1M
#endif
/* Size can be defined by the coherent_pool command line */
static size_t atomic_pool_size;
@@ -198,7 +202,7 @@ static int __init dma_atomic_pool_init(void)
if (!atomic_pool_size) {
unsigned long pages = totalram_pages() / (SZ_1G / SZ_128K);
pages = min_t(unsigned long, pages, MAX_ORDER_NR_PAGES);
atomic_pool_size = max_t(size_t, pages << PAGE_SHIFT, SZ_128K);
atomic_pool_size = max_t(size_t, pages << PAGE_SHIFT, DEFAULT_DMA_COHERENT_POOL_SIZE);
}
INIT_WORK(&atomic_pool_work, atomic_pool_work_fn);