![]() System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/src/linux-headers-5.4.0-193/include/linux/ |
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef MIGRATE_MODE_H_INCLUDED #define MIGRATE_MODE_H_INCLUDED /* * MIGRATE_ASYNC means never block * MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking * on most operations but not ->writepage as the potential stall time * is too significant * MIGRATE_SYNC will block when migrating pages * MIGRATE_SYNC_NO_COPY will block when migrating pages but will not copy pages * with the CPU. Instead, page copy happens outside the migratepage() * callback and is likely using a DMA engine. See migrate_vma() and HMM * (mm/hmm.c) for users of this mode. */ enum migrate_mode { MIGRATE_ASYNC, MIGRATE_SYNC_LIGHT, MIGRATE_SYNC, MIGRATE_SYNC_NO_COPY, }; #endif /* MIGRATE_MODE_H_INCLUDED */