Lines Matching +full:hot +full:- +full:swap

1 # SPDX-License-Identifier: GPL-2.0-only
25 	  This option is best suited for non-NUMA systems with
56 	  memory hot-plug systems.  This is normal.
60 	  hot-plug and hot-remove.
80 	  File-LRU is a mechanism that put file page in global lru list,
97 	  background. When the use of swap pages reaches the watermark
184 # Also, memblocks are updated with memory hot(un)plug.
188 # Keep arch NUMA mapping infrastructure post-init.
204 	bool "Allow for memory hot-add"
223 	  See Documentation/admin-guide/mm/memory-hotplug.rst for more information.
225 	  Say Y here if you want all hot-plugged memory blocks to appear in
227 	  Say N here if you want the default policy to keep all hot-plugged
231 	bool "Allow for memory hot remove"
236 # Heavily threaded applications may benefit from splitting the mm-wide
240 # ARM's adjust_pte (unused if VIPT) depends on mm-wide page_table_lock.
241 # PA-RISC 7xxx's spinlock_t would enlarge struct page from 32 to 44 bytes.
243 # a per-page lock leads to problems when multiple tables need to be locked
293 	  linux-mm@kvack.org.
417 	  allocator for chunks in 2^N*PAGE_SIZE amounts - which is frequently
426 	  long-term mappings means that the space is wasted.
436 	  See Documentation/admin-guide/mm/nommu-mmap.rst for more information.
482 	depends on TRANSPARENT_HUGEPAGE && ARCH_WANTS_THP_SWAP && SWAP
484 	  Swap transparent huge pages in one piece, without splitting.
485 	  XXX: For now, swap cluster backing transparent huge page
501 	  Cleancache can be thought of as a page-granularity victim cache
508 	  time-varying size.  And when a cleancache-enabled
515 	  are reduced to a single pointer-compare-against-NULL resulting
521 	bool "Enable frontswap to cache swap pages if tmem is present"
522 	depends on SWAP
525 	  of a "backing" store for a swap device.  The data is stored into
528 	  time-varying size.  When space in transcendent memory is available,
529 	  a significant swap I/O reduction may be achieved.  When none is
530 	  available, all frontswap calls are reduced to a single pointer-
531 	  compare-against-NULL resulting in a negligible performance hit
532 	  and swap data is stored as normal on the matching swap device.
543 	  subsystems to allocate big physically-contiguous blocks of memory.
594 	  soft-dirty bit on pte-s. This bit it set when someone writes
598 	  See Documentation/admin-guide/mm/soft-dirty.rst for more details.
601 	bool "Compressed cache for swap pages (EXPERIMENTAL)"
605 	  A lightweight compressed cache for swap pages.  It takes
607 	  compress them into a dynamically allocated RAM-based memory pool.
608 	  This can result in a significant I/O reduction on swap device and,
609 	  in the case where decompressing from RAM is faster that swap device
619 	prompt "Compressed cache for swap pages default compressor"
624 	  for swap pages.
685 	prompt "Compressed cache for swap pages default allocator"
690 	  swap pages.
726 	bool "Enable the compressed cache for swap pages by default"
729 	  If selected, the compressed cache for swap pages will be enabled
763 	  zsmalloc is a slab-based memory allocator designed to store
766 	  non-standard allocator interface where a handle, not a pointer, is
784 	int "Maximum user stack size for 32-bit processes (MB)"
789 	  This is the maximum stack size in Megabytes in the VM layout of 32-bit
822 	  See Documentation/admin-guide/mm/idle_page_tracking.rst for
840 	  "device-physical" addresses which is needed for using a DAX
896 	bool "Read-only THP for filesystems (EXPERIMENTAL)"
900 	  Allow khugepaged to put read-only file-backed pages in THP.
936 # For lmkd to trigger in-kernel lowmem info