unfortunately these are not the topic to digest in a mail, I recommend you reading UTLK book (http://shop.oreilly.com/product/9780596005658.do).
Still... > will it be maped with vm_area struct ? Yes if it is accessed via mmap system call. > what is the relation between page-cache and file operation? file operations for data access like read/write will look into page-cache first before going to disk. -Rajat On Thu, Jan 3, 2013 at 1:01 PM, horseriver <[email protected]> wrote: > On Thu, Jan 03, 2013 at 12:48:01PM +0530, Rajat Sharma wrote: > > Never heard of page-cache? > > will it be maped with vm_area struct ? > what is the relation between page-cache and file operation? > > thanks! > > > > > > > On Thu, Jan 3, 2013 at 12:29 PM, horseriver <[email protected]> > wrote: > > > > > hi: > > > > > > when one file is opened , does its data be put into memory ? and all > > > operation on this file > > > > > > will be implemented by operation on its mapping memory area ? > > > > > > thanks! > > > > > > _______________________________________________ > > > Kernelnewbies mailing list > > > [email protected] > > > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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