Function report |
Source Code:include\linux\mm.h |
Create Date:2022-07-28 05:43:47 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Search for an unmapped address range
Proto:static inline unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info)
Type:unsigned long
Parameter:
Type | Parameter | Name |
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struct vm_unmapped_area_info * | info |
2386 | If flags & VM_UNMAPPED_AREA_TOPDOWN Then Return unmapped_area_topdown(info) |
2388 | Else Return unmapped_area(info) |
Name | Describe |
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arch_get_unmapped_area | |
arch_get_unmapped_area_topdown | |
arch_get_unmapped_area | Get an address range which is currently unmapped.* For shmat() with addr=0.* Ugly calling convention alert:* Return value with the low bits set means error value,* ie* if (ret & ~PAGE_MASK)* error = ret; |
arch_get_unmapped_area_topdown | This mmap-allocator allocates new areas top-down from below the* stack's low limit (the base): |
Source code conversion tool public plug-in interface | X |
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