| /mm/ |
| D | Kconfig | 105 # Architecture platforms which require a two level mem_section in SPARSEMEM
121 SPARSEMEM_VMEMMAP uses a virtually mapped memmap to optimise
192 # SPARC32 allocates multiple pte tables within a single page, and therefore
193 # a per-page lock leads to problems when multiple tables need to be locked
222 used within a guest, thus imposing performance penalties associated
241 disable this option unless there really is a strong reason for
253 those pages to another entity, such as a hypervisor, so that the
268 pages as migration can relocate pages to satisfy a huge page
314 the many instances by a single page with that content, so
318 until a program has madvised that an area is MADV_MERGEABLE, and
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| D | Kconfig.debug | 18 Depending on runtime enablement, this results in a small or large
32 incorrect warnings of memory corruption after a resume because free
35 By default this option will have a small overhead, e.g. by not
56 This keeps track of what call chain is the owner of a page, may
60 a fair amount of memory if enabled. See tools/vm/page_owner_sort.c
73 This keeps track of what call chain is the pinner of a page, may
77 a fair amount of memory if enabled.
87 have a potential performance impact if enabled with the
104 This is a feature to add tracepoint for tracking down page reference
115 This option enables a testcase for the setting rodata read-only.
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| D | frontswap.c | 115 DECLARE_BITMAP(a, MAX_SWAPFILES); in frontswap_register_ops()
120 bitmap_zero(a, MAX_SWAPFILES); in frontswap_register_ops()
126 set_bit(si->type, a); in frontswap_register_ops()
131 for_each_set_bit(i, a, MAX_SWAPFILES) in frontswap_register_ops()
158 if (unlikely(!bitmap_equal(a, b, MAX_SWAPFILES))) { in frontswap_register_ops()
160 if (!test_bit(i, a) && test_bit(i, b)) in frontswap_register_ops()
162 else if (test_bit(i, a) && !test_bit(i, b)) in frontswap_register_ops()
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| D | nommu.c | 1338 struct mmap_arg_struct a; in SYSCALL_DEFINE1() local
1340 if (copy_from_user(&a, arg, sizeof(a))) in SYSCALL_DEFINE1()
1342 if (offset_in_page(a.offset)) in SYSCALL_DEFINE1()
1345 return ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, in SYSCALL_DEFINE1()
1346 a.offset >> PAGE_SHIFT); in SYSCALL_DEFINE1()
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| D | page_poison.c | 41 static bool single_bit_flip(unsigned char a, unsigned char b) in single_bit_flip() argument
43 unsigned char error = a ^ b; in single_bit_flip()
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| D | mmap.c | 1326 static int anon_vma_compatible(struct vm_area_struct *a, struct vm_area_struct *b) in anon_vma_compatible() argument
1328 return a->vm_end == b->vm_start && in anon_vma_compatible()
1329 mpol_equal(vma_policy(a), vma_policy(b)) && in anon_vma_compatible()
1330 a->vm_file == b->vm_file && in anon_vma_compatible()
1331 !((a->vm_flags ^ b->vm_flags) & ~(VM_ACCESS_FLAGS | VM_SOFTDIRTY)) && in anon_vma_compatible()
1332 b->vm_pgoff == a->vm_pgoff + ((b->vm_start - a->vm_start) >> PAGE_SHIFT); in anon_vma_compatible()
1357 static struct anon_vma *reusable_anon_vma(struct vm_area_struct *old, struct vm_area_struct *a, str… in reusable_anon_vma() argument
1359 if (anon_vma_compatible(a, b)) { in reusable_anon_vma()
1726 struct mmap_arg_struct a; in SYSCALL_DEFINE1() local
1728 if (copy_from_user(&a, arg, sizeof(a))) in SYSCALL_DEFINE1()
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| D | percpu-stats.c | 25 static int cmpint(const void *a, const void *b) in cmpint() argument
27 return *(int *)a - *(int *)b; in cmpint()
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| D | mempolicy.c | 2336 bool __mpol_equal(struct mempolicy *a, struct mempolicy *b) in __mpol_equal() argument
2338 if (!a || !b) in __mpol_equal()
2340 if (a->mode != b->mode) in __mpol_equal()
2342 if (a->flags != b->flags) in __mpol_equal()
2344 if (mpol_store_user_nodemask(a)) in __mpol_equal()
2345 if (!nodes_equal(a->w.user_nodemask, b->w.user_nodemask)) in __mpol_equal()
2348 switch (a->mode) { in __mpol_equal()
2351 return !!nodes_equal(a->v.nodes, b->v.nodes); in __mpol_equal()
2354 if (a->flags & MPOL_F_LOCAL) in __mpol_equal()
2356 return a->v.preferred_node == b->v.preferred_node; in __mpol_equal()
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| D | zsmalloc.c | 129 #define MAX(a, b) ((a) >= (b) ? (a) : (b)) argument
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| D | slab.c | 2418 static void swap_free_obj(struct page *page, unsigned int a, unsigned int b) in swap_free_obj() argument
2420 swap(((freelist_idx_t *)page->freelist)[a], in swap_free_obj()
3026 #define cache_alloc_debugcheck_after(a,b,objp,d) (objp) argument
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| D | percpu.c | 571 static inline bool pcpu_region_overlap(int a, int b, int x, int y) in pcpu_region_overlap() argument
573 return (a < y) && (x < b); in pcpu_region_overlap()
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| D | memcontrol.c | 4290 static int compare_thresholds(const void *a, const void *b) in compare_thresholds() argument
4292 const struct mem_cgroup_threshold *_a = a; in compare_thresholds()
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| /mm/damon/ |
| D | reclaim.c | 227 struct damon_reclaim_ram_walk_arg *a = arg; in walk_system_ram() local
229 if (a->end - a->start < res->end - res->start) { in walk_system_ram()
230 a->start = res->start; in walk_system_ram()
231 a->end = res->end; in walk_system_ram()
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| D | Kconfig | 8 This builds a framework that allows kernel subsystems to monitor
81 that not accessed for a long time (cold) using DAMON and reclaim
84 This is suggested to be used as a proactive and lightweight
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| D | dbgfs.c | 70 unsigned long s, a, r, minr, maxr; in dbgfs_attrs_write() local
79 &s, &a, &r, &minr, &maxr) != 5) { in dbgfs_attrs_write()
90 ret = damon_set_attrs(ctx, s, a, r, minr, maxr); in dbgfs_attrs_write()
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