Lines Matching +full:dynamic +full:- +full:range +full:- +full:compressor
1 # SPDX-License-Identifier: GPL-2.0-only
33 compress them into a dynamically allocated RAM-based memory pool.
72 swapped out again, it will be re-compressed.
75 prompt "Default compressor"
90 command line 'zswap.compressor=' option.
200 linux-mm@kvack.org and the zswap maintainers.
218 zsmalloc is a slab-based memory allocator designed to store
233 int "Maximum number of physical pages per-zspage"
235 range 4 16
266 If you cannot migrate to SLUB, please contact linux-mm@kvack.org
335 sanity-checking than others. This option is most effective with
349 Try running: slabinfo -DA
386 utilization of a direct-mapped memory-side-cache. See section
389 the presence of a memory-side-cache. There are also incidental
399 after runtime detection of a direct-mapped memory-side-cache.
415 On non-ancient distros (post-2000 ones) N is usually a safe choice.
430 ELF-FDPIC binfmt's brk and stack allocator.
434 userspace. Since that isn't generally a problem on no-MMU systems,
437 See Documentation/admin-guide/mm/nommu-mmap.rst for more information.
458 This option is best suited for non-NUMA systems with
474 memory hot-plug systems. This is normal.
478 hot-plug and hot-remove.
498 File-LRU is a mechanism that put file page in global lru list,
589 # Keep arch NUMA mapping infrastructure post-init.
635 See Documentation/admin-guide/mm/memory-hotplug.rst for more information.
637 Say Y here if you want all hot-plugged memory blocks to appear in
639 Say N here if you want the default policy to keep all hot-plugged
658 # Heavily threaded applications may benefit from splitting the mm-wide
662 # ARM's adjust_pte (unused if VIPT) depends on mm-wide page_table_lock.
663 # PA-RISC 7xxx's spinlock_t would enlarge struct page from 32 to 44 bytes.
665 # a per-page lock leads to problems when multiple tables need to be locked
715 linux-mm@kvack.org.
761 Allows the pageblock_order value to be dynamic instead of just standard
772 int "Maximum scale factor of PCP (Per-CPU pageset) batch allocate/free"
774 range 0 6
776 In page allocator, PCP (Per-CPU pageset) is refilled and drained in
790 Enable bounce buffers for devices that cannot access the full range of
859 allocator for chunks in 2^N*PAGE_SIZE amounts - which is frequently
868 long-term mappings means that the space is wasted.
878 See Documentation/admin-guide/mm/nommu-mmap.rst for more information.
938 bool "Read-only THP for filesystems (EXPERIMENTAL)"
942 Allow khugepaged to put read-only file-backed pages in THP.
977 subsystems to allocate big physically-contiguous blocks of memory.
1025 soft-dirty bit on pte-s. This bit it set when someone writes
1029 See Documentation/admin-guide/mm/soft-dirty.rst for more details.
1035 int "Default maximum user stack size for 32-bit processes (MB)"
1037 range 8 2048
1040 This is the maximum stack size in Megabytes in the VM layout of 32-bit
1079 See Documentation/admin-guide/mm/idle_page_tracking.rst for
1089 checking, an architecture-agnostic way to find the stack pointer
1121 "device-physical" addresses which is needed for using a DAX
1127 # Helpers to mirror range of the CPU page tables of a process into device page
1160 suitable for 64-bit architectures with CONFIG_FLATMEM or
1162 enough room for additional bits in page->flags.
1181 bool "Enable infrastructure for get_user_pages()-related unit tests"
1185 to make ioctl calls that can launch kernel-based unit tests for
1190 the non-_fast variants.
1192 There is also a sub-test that allows running dump_page() on any
1194 range of user-space addresses. These pages are either pinned via
1292 file-backed memory types like shmem and hugetlbfs.
1294 # multi-gen LRU {
1296 bool "Multi-Gen LRU"
1298 # make sure folio->flags has enough spare bits
1302 Documentation/admin-guide/mm/multigen_lru.rst for details.
1308 This option enables the multi-gen LRU by default.
1317 This option has a per-memcg and per-node memory overhead.
1327 Allow per-vma locking during page fault handling.