truncate_inode_pages man page on OpenSuSE

truncate_inode_pages man page on OpenSuSE

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TRUNCATE_INODE_PAGES(9)	  Memory Management in Linux   TRUNCATE_INODE_PAGES(9)

NAME
       truncate_inode_pages - truncate *all* the pages from an offset

SYNOPSIS
       void truncate_inode_pages(struct address_space * mapping,
				 loff_t lstart);

ARGUMENTS
       mapping
	   mapping to truncate

       lstart
	   offset from which to truncate

DESCRIPTION
       Called under (and serialised by) inode->i_mutex.

NOTE
       When this function returns, there can be a page in the process of
       deletion (inside __delete_from_page_cache) in the specified range. Thus
       mapping->nrpages can be non-zero when this function returns even after
       truncation of the whole mapping.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013	       TRUNCATE_INODE_PAGES(9)

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