Searched refs:page_idle_fd (Results 1 - 2 of 2) sorted by relevance
/linux-master/tools/testing/selftests/kvm/ |
H A D | access_tracking_perf_test.c | 111 static bool is_page_idle(int page_idle_fd, uint64_t pfn) argument 113 uint64_t bits = pread_uint64(page_idle_fd, "page_idle", pfn / 64); 118 static void mark_page_idle(int page_idle_fd, uint64_t pfn) argument 122 TEST_ASSERT(pwrite(page_idle_fd, &bits, 8, 8 * (pfn / 64)) == 8, 135 int page_idle_fd; local 142 page_idle_fd = open("/sys/kernel/mm/page_idle/bitmap", O_RDWR); 143 TEST_ASSERT(page_idle_fd > 0, "Failed to open page_idle."); 157 if (is_page_idle(page_idle_fd, pfn)) { 162 mark_page_idle(page_idle_fd, pfn); 197 close(page_idle_fd); 357 int page_idle_fd; local [all...] |
/linux-master/tools/mm/ |
H A D | page-types.c | 188 static int page_idle_fd = -1; variable 592 len = pwrite(page_idle_fd, &buf, 8, 8 * (off / 64)); 1348 page_idle_fd = checked_open(SYS_KERNEL_MM_PAGE_IDLE, O_RDWR); 1388 if (page_idle_fd >= 0) 1389 close(page_idle_fd);
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