LCOV - code coverage report
Current view: top level - mm - cma.h (source / functions) Hit Total Coverage
Test: Real Lines: 1 1 100.0 %
Date: 2020-10-17 15:46:43 Functions: 0 0 -
Legend: Neither, QEMU, Real, Both Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: GPL-2.0 */
       2                 :            : #ifndef __MM_CMA_H__
       3                 :            : #define __MM_CMA_H__
       4                 :            : 
       5                 :            : struct cma {
       6                 :            :         unsigned long   base_pfn;
       7                 :            :         unsigned long   count;
       8                 :            :         unsigned long   *bitmap;
       9                 :            :         unsigned int order_per_bit; /* Order of pages represented by one bit */
      10                 :            :         struct mutex    lock;
      11                 :            : #ifdef CONFIG_CMA_DEBUGFS
      12                 :            :         struct hlist_head mem_head;
      13                 :            :         spinlock_t mem_head_lock;
      14                 :            : #endif
      15                 :            :         const char *name;
      16                 :            : };
      17                 :            : 
      18                 :            : extern struct cma cma_areas[MAX_CMA_AREAS];
      19                 :            : extern unsigned cma_area_count;
      20                 :            : 
      21                 :            : static inline unsigned long cma_bitmap_maxno(struct cma *cma)
      22                 :            : {
      23                 :          3 :         return cma->count >> cma->order_per_bit;
      24                 :            : }
      25                 :            : 
      26                 :            : #endif
    

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