ttm_pool_alloc identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Documented in 1 files:

drivers/gpu/drm/ttm/ttm_pool.c, line 881

Defined in 1 files as a prototype:

include/drm/ttm/ttm_pool.h, line 80 (as a prototype)

Defined in 1 files as a function:

drivers/gpu/drm/ttm/ttm_pool.c, line 893 (as a function)

Referenced in 12 files:

Smatch caller information:

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c amdgpu_ttm_tt_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
BUF_SIZE	0	pool	(-1),5296
BUF_SIZE	0	pool	(-1),5296
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
BIT_INFO	1	tt->page_flags	0x0,0xfffffffb
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->num_pages
NO_OVERFLOW_SIMPLE	1	tt->restore->snapshot_alloc.remaining_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/nouveau/nouveau_bo.c nouveau_ttm_tt_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
BIT_INFO	1	tt->page_flags	0x0,0xffffffff
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->num_pages
NO_OVERFLOW_SIMPLE	1	tt->restore->snapshot_alloc.remaining_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/i915/gem/i915_gem_ttm.c i915_ttm_tt_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->num_pages
NO_OVERFLOW_SIMPLE	1	tt->restore->snapshot_alloc.remaining_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c ttm_bo_validate_no_placement_signaled() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	0,4096-ptr_max
PARAM_VALUE	2	ctx	1302001788936589312
PARAM_VALUE	2	ctx->gfp_retry_mayfail	0
PARAM_VALUE	2	ctx->interruptible	0
PARAM_VALUE	2	ctx->resv	0
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	1	tt->dma_ttm.sg->orig_nents
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	1	tt->ttm.sg->orig_nents

drivers/gpu/drm/xe/xe_bo.c xe_ttm_tt_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->page_flags	0-4294967263
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->num_pages
NO_OVERFLOW_SIMPLE	1	tt->restore->snapshot_alloc.remaining_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_alloc_basic() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	0
PARAM_VALUE	0	pool->dev	0,(-22),(-12)
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
DATA_SOURCE	0	pool	r kunit_kzalloc
DATA_SOURCE	1	tt	r ttm_tt_kunit_init
MEM_ZERO	0	pool
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_alloc_basic_dma_addr() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	256
PARAM_VALUE	0	pool->dev	0,(-22),(-12)
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0
PARAM_VALUE	1	tt->dma_address	16,4096-ptr_max
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
DATA_SOURCE	0	pool	r kunit_kzalloc
DATA_SOURCE	1	tt	r kunit_kzalloc
MEM_ZERO	0	pool
MEM_ZERO	1	tt
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_alloc_caching_mismatch() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	256
PARAM_VALUE	0	pool->caching	4096-ptr_max
PARAM_VALUE	0	pool->dev	0,4096-u64max
PARAM_VALUE	0	pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
CAPPED_DATA	0	pool->dev->cma_area->nranges	1
DATA_SOURCE	0	pool	r ttm_pool_pre_populated
DATA_SOURCE	1	tt	r ttm_tt_kunit_init
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_alloc_order_caching_match() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	256
PARAM_VALUE	0	pool->caching	4096-ptr_max
PARAM_VALUE	0	pool->dev	0,4096-u64max
PARAM_VALUE	0	pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
CAPPED_DATA	0	pool->dev->cma_area->nranges	1
DATA_SOURCE	0	pool	r ttm_pool_pre_populated
DATA_SOURCE	1	tt	r ttm_tt_kunit_init
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_alloc_order_mismatch() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	256
PARAM_VALUE	0	pool->caching	4096-ptr_max
PARAM_VALUE	0	pool->dev	0,4096-u64max
PARAM_VALUE	0	pool->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	pool->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
CAPPED_DATA	0	pool->dev->cma_area->nranges	1
DATA_SOURCE	0	pool	r ttm_pool_pre_populated
DATA_SOURCE	1	tt	r ttm_tt_kunit_init
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_free_dma_alloc() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	256
PARAM_VALUE	0	pool->dev	0,(-22),(-12)
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
DATA_SOURCE	0	pool	r kunit_kzalloc
DATA_SOURCE	1	tt	r ttm_tt_kunit_init
MEM_ZERO	0	pool
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_free_no_dma_alloc() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	0
PARAM_VALUE	0	pool->dev	0,(-22),(-12)
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
DATA_SOURCE	0	pool	r kunit_kzalloc
DATA_SOURCE	1	tt	r ttm_tt_kunit_init
MEM_ZERO	0	pool
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/ttm/tests/ttm_pool_test.c ttm_pool_pre_populated() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	0	pool->alloc_flags	256
PARAM_VALUE	0	pool->dev	0,(-22),(-12)
PARAM_VALUE	0	pool->nid	(-1)
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->caching	0,2
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->page_flags	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	0
PARAM_VALUE	2	ctx	1776055396224872448
BUF_SIZE	0	pool	5296
BUF_SIZE	1	tt	64
DATA_SOURCE	0	pool	r kunit_kzalloc
DATA_SOURCE	1	tt	r ttm_tt_kunit_init
MEM_ZERO	0	pool
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents

drivers/gpu/drm/radeon/radeon_ttm.c radeon_ttm_tt_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
BIT_INFO	1	tt->page_flags	0x0,0xffffffff
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->num_pages
NO_OVERFLOW_SIMPLE	1	tt->restore->snapshot_alloc.remaining_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/loongson/lsdc_ttm.c lsdc_ttm_tt_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
BIT_INFO	1	tt->page_flags	0x0,0xffffffff
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->num_pages
NO_OVERFLOW_SIMPLE	1	tt->restore->snapshot_alloc.remaining_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/ttm/ttm_tt.c ttm_tt_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->num_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c vmw_ttm_populate() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	1	tt	(-1),64
BUF_SIZE	2	ctx	(-1),24
BUF_SIZE	2	ctx	(-1),24
DATA_SOURCE	1	tt	$1
DATA_SOURCE	2	ctx	$2
NOSPEC	1	tt->num_pages
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	tt->num_pages	0-u32max[c]
USER_DATA	2	ctx->allow_res_evict	0-1
NO_OVERFLOW_SIMPLE	1	tt->restore->snapshot_alloc.remaining_pages
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents
NO_OVERFLOW_SIMPLE	2	ctx->bytes_moved

drivers/gpu/drm/ttm/tests/ttm_tt_test.c ttm_tt_swapin_basic() -> ttm_pool_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	pool	4096-ptr_max
PARAM_VALUE	1	tt	4096-ptr_max
PARAM_VALUE	1	tt->backup	0
PARAM_VALUE	1	tt->bound	0
PARAM_VALUE	1	tt->caching	2
PARAM_VALUE	1	tt->dma_address	0
PARAM_VALUE	1	tt->mem	0
PARAM_VALUE	1	tt->num_pages	0
PARAM_VALUE	1	tt->pages	16,4096-ptr_max
PARAM_VALUE	1	tt->restore	0
PARAM_VALUE	1	tt->swap_storage	4096-ptr_max
PARAM_VALUE	1	tt->swap_storage->f_mapping	4096-ptr_max
PARAM_VALUE	2	ctx	7010161346688733184
PARAM_VALUE	2	ctx->gfp_retry_mayfail	0
PARAM_VALUE	2	ctx->interruptible	0
PARAM_VALUE	2	ctx->resv	0
BUF_SIZE	1	tt	64
DATA_SOURCE	1	tt	r kunit_kzalloc
MEM_ZERO	1	tt
NO_OVERFLOW_SIMPLE	1	tt->sg->orig_nents