Function report |
Source Code:include\linux\mm.h |
Create Date:2022-07-28 05:43:48 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:vm_start_gap
Proto:static inline unsigned long vm_start_gap(struct vm_area_struct *vma)
Type:unsigned long
Parameter:
Type | Parameter | Name |
---|---|---|
struct vm_area_struct * | vma |
2460 | If Flags, see mm.h. & general info on the segment Then |
2461 | vm_start -= stack_guard_gap |
2462 | If vm_start > Our start address within vm_mm. Then vm_start = 0 |
2465 | Return vm_start |
Name | Describe |
---|---|
arch_get_unmapped_area | |
arch_get_unmapped_area_topdown | |
SYSCALL_DEFINE1 | |
vma_compute_gap | |
unmapped_area | |
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): |
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