Function report |
Source Code:mm\swap_state.c |
Create Date:2022-07-28 15:14:37 |
Last Modify:2020-03-17 22:02:06 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:swap_use_vma_readahead
Proto:static inline bool swap_use_vma_readahead(void)
Type:bool
Parameter:Nothing
301 | Return READ_ONCE(enable_vma_readahead) && Not atomic_read( & nr_rotate_swap) |
Name | Describe |
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lookup_swap_cache | Lookup a swap entry in the swap cache. A found page will be returned* unlocked and with its refcount incremented - we rely on the kernel* lock getting page table operations atomic even if we drop the page* lock before returning. |
swapin_readahead | swapin_readahead - swap in pages in hope we need them soon*@entry: swap entry of this memory*@gfp_mask: memory allocation flags*@vmf: fault information* Returns the struct page for entry and addr, after queueing swapin. |
Source code conversion tool public plug-in interface | X |
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