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authorDave Hansen <haveblue@us.ibm.com>2006-09-25 23:32:29 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-26 08:48:56 -0700
commit753b9f86e7aef76c2beda32668ce528f90cb1733 (patch)
tree49b90d6553ae06058ece02fd3d005d5821c347ba /arch/v850/kernel/v850e2_cache.c
parent5091e746848f74c9a2c0579b4ef8d8cd1a6b135d (diff)
downloadlinux-753b9f86e7aef76c2beda32668ce528f90cb1733.tar.bz2
[PATCH] x86: enable VMSPLIT for highmem kernels
The current VMSPLIT Kconfig option is disabled whenever highmem is on. This is a bit screwy because the people who need to change VMSPLIT the most tend to be the ones with highmem and constrained lowmem. So, remove the highmem dependency. But, re-include the dependency for the "full 1GB of lowmem" option. You can't have the full 1GB of lowmem and highmem because of the need for the vmalloc(), kmap(), etc... areas. I thought there would be at least a bit of tweaking to do to get it to work, but everything seems OK. Boot tested on a 4GB x86 machine, and a 12GB 3-node NUMA-Q: elm3b82:~# cat /proc/meminfo MemTotal: 3695412 kB MemFree: 3659540 kB ... LowTotal: 2909008 kB LowFree: 2892324 kB ... elm3b82:~# zgrep PAE /proc/config.gz CONFIG_X86_PAE=y larry:~# cat /proc/meminfo MemTotal: 11845900 kB MemFree: 11786748 kB ... LowTotal: 2855180 kB LowFree: 2830092 kB Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/v850/kernel/v850e2_cache.c')
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