pre_snapshot 1208 drivers/acpi/sleep.c .pre_snapshot = acpi_pm_prepare, pre_snapshot 1258 drivers/acpi/sleep.c .pre_snapshot = acpi_pm_pre_suspend, pre_snapshot 419 include/linux/suspend.h int (*pre_snapshot)(void); pre_snapshot 81 kernel/power/hibernate.c if (ops && !(ops->begin && ops->end && ops->pre_snapshot pre_snapshot 156 kernel/power/hibernate.c hibernation_ops->pre_snapshot() : 0;