Date: Fri, 9 Aug 2013 17:52:24 +0200 From: Tijl Coosemans <tijl@FreeBSD.org> To: Attilio Rao <attilio@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r254141 - in head/sys: amd64/amd64 dev/drm2/i915 dev/drm2/ttm i386/i386 kern vm Message-ID: <20130809175224.4ee2fd11@kalimero.tijl.coosemans.org> In-Reply-To: <201308091128.r79BSuYY000651@svn.freebsd.org> References: <201308091128.r79BSuYY000651@svn.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 9 Aug 2013 11:28:56 +0000 (UTC) Attilio Rao wrote: > Author: attilio > Date: Fri Aug 9 11:28:55 2013 > New Revision: 254141 > URL: http://svnweb.freebsd.org/changeset/base/254141 > > Log: > On all the architectures, avoid to preallocate the physical memory > for nodes used in vm_radix. > On architectures supporting direct mapping, also avoid to pre-allocate > the KVA for such nodes. > > In order to do so make the operations derived from vm_radix_insert() > to fail and handle all the deriving failure of those. > > vm_radix-wise introduce a new function called vm_radix_replace(), > which can replace a leaf node, already present, with a new one, > and take into account the possibility, during vm_radix_insert() > allocation, that the operations on the radix trie can recurse. > This means that if operations in vm_radix_insert() recursed > vm_radix_insert() will start from scratch again. > > Sponsored by: EMC / Isilon storage division > Reviewed by: alc (older version) > Reviewed by: jeff > Tested by: pho, scottl VPO_BUSY doesn't appear to be defined anywhere: cc -c -O -pipe -march=pentium4m -std=c99 -g -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual -Wundef -Wno-pointer-sign -fformat-extensions -Wmissing-include-dirs -fdiagnostics-show-option -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -nostdinc -I. -I/usr/home/tijl/projects/freebsd/base/head/sys -I/usr/home/tijl/projects/freebsd/base/head/sys/contrib/altq -I/usr/home/tijl/projects/freebsd/base/head/sys/contrib/libfdt -D_KERNEL -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -mno-aes -mno-avx -mno-mmx -mno-sse -msoft-float -ffreestanding -fstack-protector -Werror /usr/home/tijl/projects/freebsd/base/head/sys/vm/vm_page.c /usr/home/tijl/projects/freebsd/base/head/sys/vm/vm_page.c:1205:21: error: use of undeclared identifier 'VPO_BUSY' if (mold->oflags & VPO_BUSY) { ^ /usr/home/tijl/projects/freebsd/base/head/sys/vm/vm_page.c:1206:20: error: use of undeclared identifier 'VPO_BUSY' mold->oflags &= ~VPO_BUSY; ^ 2 errors generated.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20130809175224.4ee2fd11>