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Searched refs:ksm_fd (Results 1 – 2 of 2) sorted by relevance

/linux/tools/testing/selftests/mm/
H A Dvm_util.c686 int ksm_fd; in ksm_start() local
690 ksm_fd = open("/sys/kernel/mm/ksm/run", O_RDWR); in ksm_start()
691 if (ksm_fd < 0) in ksm_start()
697 close(ksm_fd); in ksm_start()
700 ret = write(ksm_fd, "1", 1); in ksm_start()
701 close(ksm_fd); in ksm_start()
715 int ksm_fd; in ksm_stop() local
718 ksm_fd = open("/sys/kernel/mm/ksm/run", O_RDWR); in ksm_stop()
719 if (ksm_fd < 0) in ksm_stop()
722 ret = write(ksm_fd, " in ksm_stop()
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H A Dksm_functional_tests.c500 int ksm_fd; in start_ksmd_and_set_frequency() local
502 ksm_fd = open("/sys/kernel/mm/ksm/run", O_RDWR); in start_ksmd_and_set_frequency()
503 if (ksm_fd < 0) in start_ksmd_and_set_frequency()
506 if (write(ksm_fd, "1", 1) != 1) in start_ksmd_and_set_frequency()
520 int ksm_fd; in stop_ksmd_and_restore_frequency() local
522 ksm_fd = open("/sys/kernel/mm/ksm/run", O_RDWR); in stop_ksmd_and_restore_frequency()
523 if (ksm_fd < 0) in stop_ksmd_and_restore_frequency()
526 if (write(ksm_fd, "2", 1) != 1) in stop_ksmd_and_restore_frequency()