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dma-buf: heaps: Export mem_accounting parameter

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The mem_accounting kernel parameter is used by heaps to know if they
should account allocations in their respective cgroup controllers.

Since we're going to allow heaps to compile as modules, we need to
export that variable.

Reviewed-by: T.J. Mercier <tjmercier@google.com>
Acked-by: Andrew Davis <afd@ti.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patch.msgid.link/20260427-dma-buf-heaps-as-modules-v5-1-b6f5678feefc@kernel.org
This commit is contained in:
Maxime Ripard 2026-04-27 12:04:57 +02:00 committed by Sumit Semwal
parent bfb76105b8
commit f78a0607c8
1 changed files with 1 additions and 0 deletions
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drivers/dma-buf/dma-heap.c
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@ -53,6 +53,7 @@ bool __read_mostly mem_accounting;
module_param(mem_accounting, bool, 0444);
MODULE_PARM_DESC(mem_accounting,
"Enable cgroup-based memory accounting for dma-buf heap allocations (default=false).");
EXPORT_SYMBOL_NS_GPL(mem_accounting, "DMA_BUF_HEAP");
static int dma_heap_buffer_alloc(struct dma_heap *heap, size_t len,
u32 fd_flags,