29     pm_kernel_t *ker;  in pm_kernel_create()  local
35     ker = calloc(1, sizeof(*ker));  in pm_kernel_create()
36     if (!ker)  in pm_kernel_create()
39     ker->kpagecount_fd = open("/proc/kpagecount", O_RDONLY);  in pm_kernel_create()
40     if (ker->kpagecount_fd < 0) {  in pm_kernel_create()
42         free(ker);  in pm_kernel_create()
46     ker->kpageflags_fd = open("/proc/kpageflags", O_RDONLY);  in pm_kernel_create()
47     if (ker->kpageflags_fd < 0) {  in pm_kernel_create()
49         close(ker->kpagecount_fd);  in pm_kernel_create()
50         free(ker);  in pm_kernel_create()
54     ker->pagesize = getpagesize();  in pm_kernel_create()
56     *ker_out = ker;  in pm_kernel_create()
62 int pm_kernel_pids(pm_kernel_t *ker, pid_t **pids_out, size_t *len) {  in pm_kernel_pids()  argument
116 int pm_kernel_count(pm_kernel_t *ker, uint64_t pfn, uint64_t *count_out) {  in pm_kernel_count()  argument
119     if (!ker || !count_out)  in pm_kernel_count()
122     off = lseek64(ker->kpagecount_fd, pfn * sizeof(uint64_t), SEEK_SET);  in pm_kernel_count()
125     if (read(ker->kpagecount_fd, count_out, sizeof(uint64_t)) <  in pm_kernel_count()
132 int pm_kernel_flags(pm_kernel_t *ker, uint64_t pfn, uint64_t *flags_out) {  in pm_kernel_flags()  argument
135     if (!ker || !flags_out)  in pm_kernel_flags()
138     off = lseek64(ker->kpageflags_fd, pfn * sizeof(uint64_t), SEEK_SET);  in pm_kernel_flags()
141     if (read(ker->kpageflags_fd, flags_out, sizeof(uint64_t)) <  in pm_kernel_flags()
148 int pm_kernel_destroy(pm_kernel_t *ker) {  in pm_kernel_destroy()  argument
149     if (!ker)  in pm_kernel_destroy()
152     close(ker->kpagecount_fd);  in pm_kernel_destroy()
153     close(ker->kpageflags_fd);  in pm_kernel_destroy()
155     free(ker);  in pm_kernel_destroy()