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Searched refs:cma (Results 1 – 25 of 106) sorted by relevance

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/linux-6.15/mm/
H A Dcma.c44 phys_addr_t cma_get_base(const struct cma *cma) in cma_get_base() argument
50 unsigned long cma_get_size(const struct cma *cma) in cma_get_size() argument
55 const char *cma_get_name(const struct cma *cma) in cma_get_name() argument
106 bool cma_validate_zones(struct cma *cma) in cma_validate_zones() argument
201 cma->available_count = cma->count = 0; in cma_activate_area()
225 struct cma *cma; in cma_new_area() local
275 struct cma *cma; in cma_init_reserved_mem() local
301 cma->ranges[0].count = cma->count; in cma_init_reserved_mem()
382 struct cma *cma; in cma_declare_contiguous_multi() local
858 if (!cma || !cma->count) in __cma_alloc()
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H A Dcma_debug.c36 struct cma *cma = data; in cma_used_get() local
39 *val = cma->count - cma->available_count; in cma_used_get()
48 struct cma *cma = data; in cma_maxchunk_get() local
57 cmr = &cma->ranges[r]; in cma_maxchunk_get()
77 static void cma_add_to_cma_mem_list(struct cma *cma, struct cma_mem *mem) in cma_add_to_cma_mem_list() argument
84 static struct cma_mem *cma_get_entry_from_list(struct cma *cma) in cma_get_entry_from_list() argument
98 static int cma_free_mem(struct cma *cma, int count) in cma_free_mem() argument
131 struct cma *cma = data; in cma_free_write() local
137 static int cma_alloc_mem(struct cma *cma, int count) in cma_alloc_mem() argument
163 struct cma *cma = data; in cma_alloc_write() local
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H A Dcma_sysfs.c17 void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages) in cma_sysfs_account_success_pages() argument
22 void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages) in cma_sysfs_account_fail_pages() argument
27 void cma_sysfs_account_release_pages(struct cma *cma, unsigned long nr_pages) in cma_sysfs_account_release_pages() argument
40 struct cma *cma = cma_from_kobj(kobj); in alloc_pages_success_show() local
50 struct cma *cma = cma_from_kobj(kobj); in alloc_pages_fail_show() local
59 struct cma *cma = cma_from_kobj(kobj); in release_pages_success_show() local
68 struct cma *cma = cma_from_kobj(kobj); in total_pages_show() local
77 struct cma *cma = cma_from_kobj(kobj); in available_pages_show() local
85 struct cma *cma = cma_from_kobj(kobj); in cma_kobj_release() local
112 struct cma *cma; in cma_sysfs_init() local
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H A Dcma.h10 struct cma *cma; member
37 struct cma { struct
72 extern struct cma cma_areas[MAX_CMA_AREAS]; argument
75 static inline unsigned long cma_bitmap_maxno(struct cma *cma, in cma_bitmap_maxno() argument
78 return cmr->count >> cma->order_per_bit; in cma_bitmap_maxno()
82 void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages);
83 void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages);
84 void cma_sysfs_account_release_pages(struct cma *cma, unsigned long nr_pages);
86 static inline void cma_sysfs_account_success_pages(struct cma *cma, in cma_sysfs_account_success_pages() argument
88 static inline void cma_sysfs_account_fail_pages(struct cma *cma, in cma_sysfs_account_fail_pages() argument
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H A Dhugetlb_cma.c16 static struct cma *hugetlb_cma[MAX_NUMNODES];
59 struct cma *cma; in hugetlb_cma_alloc_bootmem() local
63 cma = hugetlb_cma[*nid]; in hugetlb_cma_alloc_bootmem()
64 m = cma_reserve_early(cma, huge_page_size(h)); in hugetlb_cma_alloc_bootmem()
70 cma = hugetlb_cma[node]; in hugetlb_cma_alloc_bootmem()
71 if (!cma || node == *nid) in hugetlb_cma_alloc_bootmem()
73 m = cma_reserve_early(cma, huge_page_size(h)); in hugetlb_cma_alloc_bootmem()
83 m->cma = cma; in hugetlb_cma_alloc_bootmem()
/linux-6.15/include/linux/
H A Dcma.h23 struct cma;
26 extern phys_addr_t cma_get_base(const struct cma *cma);
27 extern unsigned long cma_get_size(const struct cma *cma);
28 extern const char *cma_get_name(const struct cma *cma);
55 extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data);
58 extern void cma_reserve_pages_on_error(struct cma *cma);
61 struct folio *cma_alloc_folio(struct cma *cma, int order, gfp_t gfp);
62 bool cma_free_folio(struct cma *cma, const struct folio *folio);
63 bool cma_validate_zones(struct cma *cma);
70 static inline bool cma_free_folio(struct cma *cma, const struct folio *folio) in cma_free_folio() argument
[all …]
H A Ddma-map-ops.h13 struct cma;
100 extern struct cma *dma_contiguous_default_area;
102 static inline struct cma *dev_get_cma_area(struct device *dev) in dev_get_cma_area()
111 phys_addr_t limit, struct cma **res_cma, bool fixed);
122 static inline struct cma *dev_get_cma_area(struct device *dev) in dev_get_cma_area()
130 phys_addr_t base, phys_addr_t limit, struct cma **res_cma, in dma_contiguous_reserve_area()
/linux-6.15/kernel/dma/
H A Dcontiguous.c55 struct cma *dma_contiguous_default_area;
165 struct cma **cma; in dma_numa_cma_reserve() local
178 0, false, name, cma, nid); in dma_numa_cma_reserve()
189 name, cma, nid); in dma_numa_cma_reserve()
328 static struct page *cma_alloc_aligned(struct cma *cma, size_t size, gfp_t gfp) in cma_alloc_aligned() argument
366 struct cma *cma = dma_contiguous_pernuma_area[nid]; in dma_alloc_contiguous() local
369 if (cma) { in dma_alloc_contiguous()
376 if (cma) { in dma_alloc_contiguous()
460 struct cma *cma; in rmem_cma_setup() local
487 dma_contiguous_default_area = cma; in rmem_cma_setup()
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H A Dpool.c60 struct cma *cma; in cma_in_zone() local
62 cma = dev_get_cma_area(NULL); in cma_in_zone()
63 if (!cma) in cma_in_zone()
66 size = cma_get_size(cma); in cma_in_zone()
71 end = cma_get_base(cma) + size - 1; in cma_in_zone()
/linux-6.15/Documentation/ABI/testing/
H A Dsysfs-kernel-mm-cma1 What: /sys/kernel/mm/cma/
5 /sys/kernel/mm/cma/ contains a subdirectory for each CMA
9 /sys/kernel/mm/cma/<cma-heap-name> directory) contains the
15 What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_success
21 What: /sys/kernel/mm/cma/<cma-heap-name>/alloc_pages_fail
27 What: /sys/kernel/mm/cma/<cma-heap-name>/release_pages_success
33 What: /sys/kernel/mm/cma/<cma-heap-name>/total_pages
39 What: /sys/kernel/mm/cma/<cma-heap-name>/available_pages
/linux-6.15/drivers/dma-buf/heaps/
H A Dcma_heap.c28 struct cma *cma; member
258 cma_release(cma_heap->cma, buffer->cma_pages, buffer->pagecount); in cma_heap_dma_buf_release()
302 cma_pages = cma_alloc(cma_heap->cma, pagecount, align, false); in cma_heap_allocate()
358 cma_release(cma_heap->cma, cma_pages, pagecount); in cma_heap_allocate()
369 static int __init __add_cma_heap(struct cma *cma, void *data) in __add_cma_heap() argument
377 cma_heap->cma = cma; in __add_cma_heap()
379 exp_info.name = cma_get_name(cma); in __add_cma_heap()
396 struct cma *default_cma = dev_get_cma_area(NULL); in add_default_cma_heap()
/linux-6.15/Documentation/userspace-api/
H A Ddma-buf-heaps.rst19 - The ``cma`` heap allocates physically contiguous, cacheable,
22 `cma` parameter, a memory region Device-Tree node with the
23 `linux,cma-default` property set, or through the `CMA_SIZE_MBYTES` or
25 might be called ``reserved``, ``linux,cma``, or ``default-pool``.
/linux-6.15/Documentation/admin-guide/mm/
H A Dcma_debugfs.rst8 Each CMA area represents a directory under <debugfs>/cma/, represented by
11 <debugfs>/cma/<cma_name>
27 echo 5 > <debugfs>/cma/<cma_name>/alloc
/linux-6.15/arch/xtensa/boot/dts/
H A Dkc705.dts22 linux,cma {
28 linux,cma-default;
/linux-6.15/arch/loongarch/boot/dts/
H A Dloongson-2k0500-ref.dts35 linux,cma {
39 linux,cma-default;
H A Dloongson-2k2000-ref.dts33 linux,cma {
37 linux,cma-default;
H A Dloongson-2k1000-ref.dts34 linux,cma {
38 linux,cma-default;
/linux-6.15/arch/arm64/boot/dts/qcom/
H A Dqrb5165-rb5-vision-mezzanine.dtso14 linux,cma {
18 linux,cma-default;
H A Dsdm845-db845c-navigation-mezzanine.dtso14 linux,cma {
18 linux,cma-default;
/linux-6.15/arch/s390/mm/
H A Dinit.c223 static int s390_cma_check_range(struct cma *cma, void *data) in s390_cma_check_range() argument
229 if (cma_intersects(cma, mem_data->start, mem_data->end)) in s390_cma_check_range()
/linux-6.15/arch/arm64/boot/dts/freescale/
H A Dimx93-phycore-som.dtsi24 linux,cma {
29 linux,cma-default;
H A Dtqma8xx.dtsi37 linux,cma {
42 linux,cma-default;
/linux-6.15/arch/arm64/boot/dts/ti/
H A Dk3-am62a-phycore-som.dtsi53 /* global cma region */
54 linux,cma {
59 linux,cma-default;
/linux-6.15/arch/arm/boot/dts/nxp/imx/
H A Dimx6ul-ccimx6ulsom.dtsi20 linux,cma {
24 linux,cma-default;
/linux-6.15/drivers/gpu/drm/nouveau/include/nvkm/subdev/
H A Dpci.h23 bool cma; member

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