From: "Raghu R. Arur" <rra2002@aria.ncl.cs.columbia.edu>
To: kernelnewbies@nl.linux.org
Cc: linux-mm@kvack.org
Subject: buffer head and buffer pages
Date: Mon, 4 Aug 2003 15:50:57 -0400 (EDT) [thread overview]
Message-ID: <Pine.GSO.4.51.0308041544400.29728@aria.ncl.cs.columbia.edu> (raw)
Hi,
Please help me to understand this better. each buffer has a buffer
head. the b_page of buffer_head points to the page that contains the
mapped data. Will both these pages ( the page that holds the buffer_head
structure and buffer page that contains the actual data) mapped to the
process OR only the page with the buffer_head is mapped to the process ?
In other words, the rss value of the process accounts for both these pages
or it accounts for only the page with the buffer_head ?
Thanks a lot,
Raghu
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reply other threads:[~2003-08-04 19:50 UTC|newest]
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