Function report |
Source Code:arch\x86\kernel\ldt.c |
Create Date:2022-07-28 07:35:34 |
Last Modify:2022-05-18 16:20:29 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:The caller must call finalize_ldt_struct on the result. LDT starts zeroed.
Proto:static struct *alloc_ldt_struct(unsigned int num_entries)
Type:struct
Parameter:
Type | Parameter | Name |
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unsigned int | num_entries |
70 | If num_entries > Maximum number of LDT entries supported. Then Return NULL |
73 | new_ldt = Allocation memory |
74 | If Not new_ldt Then Return NULL |
77 | BUILD_BUG_ON - break compile if a condition is true(The size of each LDT entry. != sizeof(structdesc_struct)) |
86 | If alloc_size > PAGE_SIZE Then entries = vzalloc(alloc_size) |
88 | Else entries = get_zeroed_page(GFP_KERNEL) |
91 | If Not entries Then |
93 | Return NULL |
97 | slot = -1 |
99 | nr_entries = num_entries |
100 | Return new_ldt |
Name | Describe |
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ldt_dup_context | Called on fork from arch_dup_mmap(). Just copy the current LDT state,* the new task is not running, so nothing can be installed. |
write_ldt |
Source code conversion tool public plug-in interface | X |
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