Function report |
Source Code:mm\vmalloc.c |
Create Date:2022-07-28 15:00:07 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:__vunmap
Proto:static void __vunmap(const void *addr, int deallocate_pages)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
const void * | addr | |
int | deallocate_pages |
2279 | If Not addr Then Return |
2282 | If WARN(!st whether an address (unsigned long or pointer) is aligned to PAGE_SIZE (addr), "Trying to vfree() bad address (%p)\n", addr) Then Return |
2286 | area = d_vm_area - find a continuous kernel virtual area*@addr: base address* Search for the kernel VM area starting at @addr, and return it |
2287 | If Value for the false possibility is greater at compile time(!area) Then |
2288 | WARN(1, r conditions "Trying to vfree() nonexistent vm area (%p)\n", addr) |
2290 | Return |
2296 | kasan_poison_vmalloc(addr, size) |
2300 | If deallocate_pages Then |
2309 | atomic_long_sub(nr_pages, & nr_vmalloc_pages) |
2315 | Return |
Name | Describe |
---|---|
free_work | |
__vfree | |
vunmap | vunmap - release virtual mapping obtained by vmap()*@addr: memory base address* Free the virtually contiguous memory area starting at @addr,* which was created from the page array passed to vmap().* Must not be called in interrupt context. |
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