1 #ifndef _VX_VS_MEMORY_H
2 #define _VX_VS_MEMORY_H
4 #include <linux/kernel.h>
5 #include <linux/rcupdate.h>
6 #include <linux/sched.h>
8 #include "vserver/context.h"
9 #include "vserver/limit.h"
10 #include "vserver/debug.h"
13 #define vx_acc_page(m, d, v, r) \
14 __vx_acc_page(&(m->v), m->mm_vx_info, r, d, __FILE__, __LINE__)
16 static inline void __vx_acc_page(unsigned long *v, struct vx_info *vxi,
17 int res, int dir, char *file, int line)
19 if (VXD_RLIMIT(res, RLIMIT_RSS) ||
20 VXD_RLIMIT(res, RLIMIT_AS) ||
21 VXD_RLIMIT(res, RLIMIT_MEMLOCK))
22 vxlprintk(1, "vx_acc_page[%5d,%s,%2d]: %5d%s",
23 (vxi?vxi->vx_id:-1), vlimit_name[res], res,
24 (vxi?atomic_read(&vxi->limit.rcur[res]):0),
25 (dir?"++":"--"), file, line);
34 atomic_inc(&vxi->limit.rcur[res]);
36 atomic_dec(&vxi->limit.rcur[res]);
41 #define vx_acc_pages(m, p, v, r) \
42 __vx_acc_pages(&(m->v), m->mm_vx_info, r, p, __FILE__, __LINE__)
44 static inline void __vx_acc_pages(unsigned long *v, struct vx_info *vxi,
45 int res, int pages, char *_file, int _line)
47 if (VXD_RLIMIT(res, RLIMIT_RSS) ||
48 VXD_RLIMIT(res, RLIMIT_AS) ||
49 VXD_RLIMIT(res, RLIMIT_MEMLOCK))
50 vxlprintk(1, "vx_acc_pages[%5d,%s,%2d]: %5d += %5d",
51 (vxi?vxi->vx_id:-1), vlimit_name[res], res,
52 (vxi?atomic_read(&vxi->limit.rcur[res]):0),
59 atomic_add(pages, &vxi->limit.rcur[res]);
64 #define vx_acc_vmpage(m,d) vx_acc_page(m, d, total_vm, RLIMIT_AS)
65 #define vx_acc_vmlpage(m,d) vx_acc_page(m, d, locked_vm, RLIMIT_MEMLOCK)
66 #define vx_acc_rsspage(m,d) vx_acc_page(m, d, rss, RLIMIT_RSS)
68 #define vx_acc_vmpages(m,p) vx_acc_pages(m, p, total_vm, RLIMIT_AS)
69 #define vx_acc_vmlpages(m,p) vx_acc_pages(m, p, locked_vm, RLIMIT_MEMLOCK)
70 #define vx_acc_rsspages(m,p) vx_acc_pages(m, p, rss, RLIMIT_RSS)
72 #define vx_pages_add(s,r,p) __vx_acc_pages(0, s, r, p, __FILE__, __LINE__)
73 #define vx_pages_sub(s,r,p) vx_pages_add(s, r, -(p))
75 #define vx_vmpages_inc(m) vx_acc_vmpage(m, 1)
76 #define vx_vmpages_dec(m) vx_acc_vmpage(m,-1)
77 #define vx_vmpages_add(m,p) vx_acc_vmpages(m, p)
78 #define vx_vmpages_sub(m,p) vx_acc_vmpages(m,-(p))
80 #define vx_vmlocked_inc(m) vx_acc_vmlpage(m, 1)
81 #define vx_vmlocked_dec(m) vx_acc_vmlpage(m,-1)
82 #define vx_vmlocked_add(m,p) vx_acc_vmlpages(m, p)
83 #define vx_vmlocked_sub(m,p) vx_acc_vmlpages(m,-(p))
85 #define vx_rsspages_inc(m) vx_acc_rsspage(m, 1)
86 #define vx_rsspages_dec(m) vx_acc_rsspage(m,-1)
87 #define vx_rsspages_add(m,p) vx_acc_rsspages(m, p)
88 #define vx_rsspages_sub(m,p) vx_acc_rsspages(m,-(p))
92 #define vx_pages_avail(m, p, r) \
93 __vx_pages_avail((m)->mm_vx_info, (r), (p), __FILE__, __LINE__)
95 static inline int __vx_pages_avail(struct vx_info *vxi,
96 int res, int pages, char *_file, int _line)
100 if (VXD_RLIMIT(res, RLIMIT_RSS) ||
101 VXD_RLIMIT(res, RLIMIT_AS) ||
102 VXD_RLIMIT(res, RLIMIT_MEMLOCK))
103 vxlprintk(1, "vx_pages_avail[%5d,%s,%2d]: %5ld > %5d + %5d",
104 (vxi?vxi->vx_id:-1), vlimit_name[res], res,
105 (vxi?vxi->limit.rlim[res]:1),
106 (vxi?atomic_read(&vxi->limit.rcur[res]):0),
107 pages, _file, _line);
110 value = atomic_read(&vxi->limit.rcur[res]);
111 if (value > vxi->limit.rmax[res])
112 vxi->limit.rmax[res] = value;
113 if (vxi->limit.rlim[res] == RLIM_INFINITY)
115 if (value + pages <= vxi->limit.rlim[res])
117 atomic_inc(&vxi->limit.lhit[res]);
121 #define vx_vmpages_avail(m,p) vx_pages_avail(m, p, RLIMIT_AS)
122 #define vx_vmlocked_avail(m,p) vx_pages_avail(m, p, RLIMIT_MEMLOCK)
123 #define vx_rsspages_avail(m,p) vx_pages_avail(m, p, RLIMIT_RSS)
126 #warning duplicate inclusion