Searched refs:page_idle_fd (Results 1 - 2 of 2) sorted by relevance

/linux-master/tools/testing/selftests/kvm/
H A Daccess_tracking_perf_test.c111 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
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/linux-master/tools/mm/
H A Dpage-types.c188 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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