linux-kernel - [PATCH] dma-buf: heaps: Add __init to CMA and system heap module

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Message-ID: <20240906000314.2368749-1-tjmercier@google.com>
Date: Fri,  6 Sep 2024 00:03:12 +0000
From: "T.J. Mercier" <tjmercier@...gle.com>
To: tjmercier@...gle.com, Sumit Semwal <sumit.semwal@...aro.org>, 
	Benjamin Gaignard <benjamin.gaignard@...labora.com>, Brian Starkey <Brian.Starkey@....com>, 
	John Stultz <jstultz@...gle.com>, 
	"Christian König" <christian.koenig@....com>
Cc: linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
	linaro-mm-sig@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: [PATCH] dma-buf: heaps: Add __init to CMA and system heap module_init functions

Shrink the kernel .text a bit after successful initialization of the
heaps.

Signed-off-by: T.J. Mercier <tjmercier@...gle.com>
---
 drivers/dma-buf/heaps/cma_heap.c    | 4 ++--
 drivers/dma-buf/heaps/system_heap.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index c384004b918e..39c1e533a2f2 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -366,7 +366,7 @@ static const struct dma_heap_ops cma_heap_ops = {
 	.allocate = cma_heap_allocate,
 };
 
-static int __add_cma_heap(struct cma *cma, void *data)
+static int __init __add_cma_heap(struct cma *cma, void *data)
 {
 	struct cma_heap *cma_heap;
 	struct dma_heap_export_info exp_info;
@@ -391,7 +391,7 @@ static int __add_cma_heap(struct cma *cma, void *data)
 	return 0;
 }
 
-static int add_default_cma_heap(void)
+static int __init add_default_cma_heap(void)
 {
 	struct cma *default_cma = dev_get_cma_area(NULL);
 	int ret = 0;
diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c
index d78cdb9d01e5..26d5dc89ea16 100644
--- a/drivers/dma-buf/heaps/system_heap.c
+++ b/drivers/dma-buf/heaps/system_heap.c
@@ -421,7 +421,7 @@ static const struct dma_heap_ops system_heap_ops = {
 	.allocate = system_heap_allocate,
 };
 
-static int system_heap_create(void)
+static int __init system_heap_create(void)
 {
 	struct dma_heap_export_info exp_info;
 
-- 
2.46.0.598.g6f2099f65c-goog