read_cache_page_gfp man page on Scientific

read_cache_page_gfp man page on Scientific

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READ_CACHE_PAGE_GFP(9)	  Memory Management in Linux	READ_CACHE_PAGE_GFP(9)

NAME
       read_cache_page_gfp - read into page cache, using specified page
       allocation flags.

SYNOPSIS
       struct page * read_cache_page_gfp(struct address_space * mapping,
					 pgoff_t index, gfp_t gfp);

ARGUMENTS
       mapping
	   the page´s address_space

       index
	   the page index

       gfp
	   the page allocator flags to use if allocating

DESCRIPTION
       This is the same as “read_mapping_page(mapping, index, NULL)”, but with
       any new page allocations done using the specified allocation flags.
       Note that the Radix tree operations will still use GFP_KERNEL, so you
       can´t expect to do this atomically or anything like that - but you can
       pass in other page requirements.

       If the page does not get brought uptodate, return -EIO.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		READ_CACHE_PAGE_GFP(9)

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