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authorChristoph Lameter <clameter@sgi.com>2007-10-16 01:24:15 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:42:51 -0700
commitef229c5a5e7701ab08a6a06258f415b150348bcc (patch)
tree606a128b3408ca39b95e1bdd93ad17dd2a9d9f33 /fs/jfs/jfs_uniupr.c
parent0889eba5b38f66d7d892a167d88284daddd3d43b (diff)
IA64: SPARSEMEM_VMEMMAP 16K page size support
Equip IA64 sparsemem with a virtual memmap. This is similar to the existing CONFIG_VIRTUAL_MEM_MAP functionality for DISCONTIGMEM. It uses a PAGE_SIZE mapping. This is provided as a minimally intrusive solution. We split the 128TB VMALLOC area into two 64TB areas and use one for the virtual memmap. This should replace CONFIG_VIRTUAL_MEM_MAP long term. [apw@shadowen.org: convert to new helper based initialisation] Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andy Whitcroft <apw@shadowen.org> Acked-by: Mel Gorman <mel@csn.ul.ie> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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