mmstat.h

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// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
 
#include <mos/types.h>
 
typedef enum
{
    MEM_PAGETABLE, // page table pages
    MEM_SLAB,      // slab allocator
    MEM_PAGECACHE, // page cache
    MEM_KERNEL,    // kernel memory (e.g. kernel stack)
    MEM_USER,      // user memory (e.g. user code, data, stack)
 
    _MEM_MAX_TYPES,
} mmstat_type_t;
 
extern const char *mem_type_names[_MEM_MAX_TYPES];
 
void mmstat_inc(mmstat_type_t type, size_t size);
#define mmstat_inc1(type) mmstat_inc(type, 1)
 
void mmstat_dec(mmstat_type_t type, size_t size);
#define mmstat_dec1(type) mmstat_dec(type, 1)
 
typedef struct
{
    size_t regular;   
    size_t pagecache; 
    size_t cow;       
} vmap_stat_t;
 
#define vmap_stat_inc(vmap, type) (vmap)->stat.type += 1
#define vmap_stat_dec(vmap, type) (vmap)->stat.type -= 1