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authorAndi Kleen <ak@suse.de>2006-02-17 01:39:16 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-17 08:18:14 -0800
commitdd942ae331425812930cd01766178b7e28e65f2d (patch)
treeb513bcfa00c1fc0f78e06b7f4c8d999275b64dfb /kernel
parent759b650f54ed13e9b3d6c064c763a72ee09c74dd (diff)
downloadop-kernel-dev-dd942ae331425812930cd01766178b7e28e65f2d.zip
op-kernel-dev-dd942ae331425812930cd01766178b7e28e65f2d.tar.gz
[PATCH] Handle all and empty zones when setting up custom zonelists for mbind
The memory allocator doesn't like empty zones (which have an uninitialized freelist), so a x86-64 system with a node fully in GFP_DMA32 only would crash on mbind. Fix that up by putting all possible zones as fallback into the zonelist and skipping the empty ones. In fact the code always enough allocated space for all zones, but only used it for the highest. This change just uses all the memory that was allocated before. This should work fine for now, but whoever implements node hot removal needs to fix this somewhere else too (or make sure zone datastructures by itself never go away, only their memory) Signed-off-by: Andi Kleen <ak@suse.de> Acked-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel')
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