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5f47bdeb07
For statistical support, let's add allocated and total size of GCMA areas into gcma stats. Bug: 410432482 Change-Id: Ifcae950fb96d11af560a95c85376fcf5156cd35c Signed-off-by: Sooyong Suk <s.suk@samsung.corp-partner.google.com>
39 lines
1001 B
C
39 lines
1001 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __GCMA_H__
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#define __GCMA_H__
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#include <linux/types.h>
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#ifdef CONFIG_GCMA
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enum gcma_stat_type {
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ALLOCATED_PAGE,
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STORED_PAGE,
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LOADED_PAGE,
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EVICTED_PAGE,
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CACHED_PAGE,
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DISCARDED_PAGE,
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TOTAL_PAGE,
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NUM_OF_GCMA_STAT,
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};
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#ifdef CONFIG_GCMA_SYSFS
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u64 gcma_stat_get(enum gcma_stat_type type);
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#else
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static inline u64 gcma_stat_get(enum gcma_stat_type type) { return 0; }
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#endif
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extern void gcma_alloc_range(unsigned long start_pfn, unsigned long end_pfn);
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extern void gcma_free_range(unsigned long start_pfn, unsigned long end_pfn);
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extern int register_gcma_area(const char *name, phys_addr_t base,
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phys_addr_t size);
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#else
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static inline void gcma_alloc_range(unsigned long start_pfn,
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unsigned long end_pfn) {}
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static inline void gcma_free_range(unsigned long start_pfn,
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unsigned long end_pfn) {}
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static inline int register_gcma_area(const char *name, phys_addr_t base,
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phys_addr_t size) { return -EINVAL; }
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#endif
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#endif
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