Date: Sat, 4 Nov 2000 21:14:47 -0500 (EST) From: Zhiui Zhang <zzhang@cs.binghamton.edu> To: freebsd-hackers@freebsd.org Subject: Protect a VFS buffer from VM - how Message-ID: <Pine.SOL.4.21.0011042100010.14984-100000@opal>
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I understand that memory belonged to a buffer will not be paged out by VM daemon. Now I want protect that memory from being cleaned by VM daemon as well. Should I use vfs_busy_pages() or just assume that since my pages are on the active queue, VM daemon will not touch it (it only cleans pages on the inactive queue). In short, I not only want to wire the page, but also want exclusive access to it by the filesystem code. How to do this correctly? Please clarify this subject for me. Any help is appreciated. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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