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.
63 prompt "Default compressor"
78 command line 'zswap.compressor=' option.
189 linux-[email protected] and the zswap maintainers.
207 zsmalloc is a slab-based memory allocator designed to store
222 int "Maximum number of physical pages per-zspage"
224 range 4 16
295 specifically-sized allocations with user-controlled contents
299 user-controlled allocations. This may very slightly increase
301 of extra pages since the bulk of user-controlled allocations
302 are relatively long-lived.
317 Try running: slabinfo -DA
354 utilization of a direct-mapped memory-side-cache. See section
357 the presence of a memory-side-cache. There are also incidental
382 On non-ancient distros (post-2000 ones) N is usually a safe choice.
397 ELF-FDPIC binfmt's brk and stack allocator.
401 userspace. Since that isn't generally a problem on no-MMU systems,
404 See Documentation/admin-guide/mm/nommu-mmap.rst for more information.
425 This option is best suited for non-NUMA systems with
441 memory hot-plug systems. This is normal.
445 hot-plug and hot-remove.
515 # Keep arch NUMA mapping infrastructure post-init.
573 See Documentation/admin-guide/mm/memory-hotplug.rst for more information.
606 sufficient kernel-capable memory (ZONE_NORMAL) must be
627 # Heavily threaded applications may benefit from splitting the mm-wide
631 # ARM's adjust_pte (unused if VIPT) depends on mm-wide page_table_lock.
632 # PA-RISC 7xxx's spinlock_t would enlarge struct page from 32 to 44 bytes.
634 # a per-page lock leads to problems when multiple tables need to be locked
689 linux-[email protected].
734 Allows the pageblock_order value to be dynamic instead of just standard
745 int "Maximum scale factor of PCP (Per-CPU pageset) batch allocate/free"
747 range 0 6
749 In page allocator, PCP (Per-CPU pageset) is refilled and drained in
763 Enable bounce buffers for devices that cannot access the full range of
832 allocator for chunks in 2^N*PAGE_SIZE amounts - which is frequently
841 long-term mappings means that the space is wasted.
851 See Documentation/admin-guide/mm/nommu-mmap.rst for more information.
917 bool "Read-only THP for filesystems (EXPERIMENTAL)"
921 Allow khugepaged to put read-only file-backed pages in THP.
975 subsystems to allocate big physically-contiguous blocks of memory.
1014 soft-dirty bit on pte-s. This bit it set when someone writes
1018 See Documentation/admin-guide/mm/soft-dirty.rst for more details.
1024 int "Default maximum user stack size for 32-bit processes (MB)"
1026 range 8 2048
1029 This is the maximum stack size in Megabytes in the VM layout of 32-bit
1069 See Documentation/admin-guide/mm/idle_page_tracking.rst for
1085 checking, an architecture-agnostic way to find the stack pointer
1117 "device-physical" addresses which is needed for using a DAX
1123 # Helpers to mirror range of the CPU page tables of a process into device page
1173 bool "Enable infrastructure for get_user_pages()-related unit tests"
1177 to make ioctl calls that can launch kernel-based unit tests for
1182 the non-_fast variants.
1184 There is also a sub-test that allows running dump_page() on any
1186 range of user-space addresses. These pages are either pinned via
1275 file-backed memory types like shmem and hugetlbfs.
1278 # multi-gen LRU {
1280 bool "Multi-Gen LRU"
1282 # make sure folio->flags has enough spare bits
1286 Documentation/admin-guide/mm/multigen_lru.rst for details.
1292 This option enables the multi-gen LRU by default.
1301 This option has a per-memcg and per-node memory overhead.
1315 Allow per-vma locking during page fault handling.
1345 stacks (eg, x86 CET, arm64 GCS or RISC-V Zicfiss).