Revert "mm: cma: make writeable CMA debugfs optional"
This reverts commit 76adf14857
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Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
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@ -529,15 +529,6 @@ config CMA_DEBUGFS
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help
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Turns on the DebugFS interface for CMA.
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config CMA_ALLOW_WRITE_DEBUGFS
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depends on CMA_DEBUGFS
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bool "Allow CMA debugfs write"
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help
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Say 'y' here to allow the CMA debugfs write.
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CMA debugfs write could be risky as it allows
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cma allocation, so it is not recommended to
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enable this option on any production device.
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config CMA_AREAS
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int "Maximum count of the CMA areas"
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depends on CMA
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@ -76,7 +76,6 @@ static int cma_maxchunk_get(void *data, u64 *val)
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}
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DEFINE_SIMPLE_ATTRIBUTE(cma_maxchunk_fops, cma_maxchunk_get, NULL, "%llu\n");
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#ifdef CONFIG_CMA_ALLOW_WRITE_DEBUGFS
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static void cma_add_to_cma_mem_list(struct cma *cma, struct cma_mem *mem)
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{
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spin_lock(&cma->mem_head_lock);
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@ -135,13 +134,8 @@ static int cma_free_write(void *data, u64 val)
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return cma_free_mem(cma, pages);
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}
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#else
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#define cma_free_write NULL
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#endif
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DEFINE_SIMPLE_ATTRIBUTE(cma_free_fops, NULL, cma_free_write, "%llu\n");
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#ifdef CONFIG_CMA_ALLOW_WRITE_DEBUGFS
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static int cma_alloc_mem(struct cma *cma, int count)
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{
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struct cma_mem *mem;
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@ -172,10 +166,6 @@ static int cma_alloc_write(void *data, u64 val)
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return cma_alloc_mem(cma, pages);
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}
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#else
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#define cma_alloc_write NULL
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#endif
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DEFINE_SIMPLE_ATTRIBUTE(cma_alloc_fops, NULL, cma_alloc_write, "%llu\n");
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static void cma_debugfs_add_one(struct cma *cma, int idx)
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