Function report |
Source Code:mm\page_alloc.c |
Create Date:2022-07-28 15:03:01 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:pfn_to_bitidx
Proto:static inline int pfn_to_bitidx(struct page *page, unsigned long pfn)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct page * | page | |
unsigned long | pfn |
466 | Return (pfn >> Huge pages are a constant size ) * NR_PAGEBLOCK_BITS |
Name | Describe |
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__get_pfnblock_flags_mask | get_pfnblock_flags_mask - Return the requested group of flags for the pageblock_nr_pages block of pages*@page: The page within the block of interest*@pfn: The target page frame number*@end_bitidx: The last bit of interest to retrieve*@mask: mask of bits |
set_pfnblock_flags_mask | set_pfnblock_flags_mask - Set the requested group of flags for a pageblock_nr_pages block of pages*@page: The page within the block of interest*@flags: The flags to set*@pfn: The target page frame number*@end_bitidx: The last bit of interest*@mask: mask |
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