Date: Fri, 11 Jul 2008 11:27:42 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/vm swap_pager.c Message-ID: <200807111127.m6BBRs9M032431@repoman.freebsd.org>
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kib 2008-07-11 11:27:42 UTC
FreeBSD src repository
Modified files:
sys/vm swap_pager.c
Log:
SVN rev 180446 on 2008-07-11 11:27:42Z by kib
Use the VM_ALLOC_INTERRUPT for the page requests when allocating memory
for the bio for swapout write. It allows the page allocator to drain
free page list deeper. As result, a deadlock where pageout deamon sleeps
waiting for bio to be allocated for swapout is no more reproducable in
practice.
Alan said that M_USE_RESERVE shall be ressurrected and used there, but
until this is implemented, M_NOWAIT does exactly what is needed.
Tested by: pho, kris
Reviewed by: alc
No objections from: phk
MFC after: 2 weeks (RELENG_7 only)
Revision Changes Path
1.302 +5 -7 src/sys/vm/swap_pager.c
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