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46 lines
1.4 KiB
46 lines
1.4 KiB
7 years ago
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/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __KGSL_POOL_H
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#define __KGSL_POOL_H
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#include <linux/mm_types.h>
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#include "kgsl_sharedmem.h"
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static inline unsigned int
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kgsl_gfp_mask(unsigned int page_order)
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{
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unsigned int gfp_mask = __GFP_HIGHMEM;
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if (page_order > 0) {
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gfp_mask |= __GFP_COMP | __GFP_NORETRY | __GFP_NOWARN;
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gfp_mask &= ~__GFP_RECLAIM;
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} else
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gfp_mask |= GFP_KERNEL;
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if (kgsl_sharedmem_get_noretry() == true)
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gfp_mask |= __GFP_NORETRY | __GFP_NOWARN;
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return gfp_mask;
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}
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void kgsl_pool_free_sgt(struct sg_table *sgt);
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void kgsl_pool_free_pages(struct page **pages, unsigned int page_count);
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void kgsl_init_page_pools(struct platform_device *pdev);
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void kgsl_exit_page_pools(void);
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int kgsl_pool_alloc_page(int *page_size, struct page **pages,
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unsigned int pages_len, unsigned int *align);
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void kgsl_pool_free_page(struct page *p);
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bool kgsl_pool_avaialable(int size);
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#endif /* __KGSL_POOL_H */
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