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authorBen Hutchings <ben@decadent.org.uk>2013-04-29 15:07:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 15:54:35 -0700
commit055e4fd96e95b0eee0d92fd54a26be7f0d3bcad0 (patch)
tree48f7e2d9a829daf6fef897e7d34dfa01f8cf83b3 /arch/s390/mm/vmem.c
parent949f7ec5760b021da3cccc1eaeb0671270e4238f (diff)
mm: try harder to allocate vmemmap blocks
Hot-adding memory on x86_64 normally requires huge page allocation. When this is done to a VM guest, it's usually because the system is already tight on memory, so the request tends to fail. Try to avoid this by adding __GFP_REPEAT to the allocation flags. Addresses http://bugs.debian.org/699913 Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Reported-by: Bernhard Schmidt <Bernhard.Schmidt@lrz.de> Tested-by: Bernhard Schmidt <Bernhard.Schmidt@lrz.de> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/mm/vmem.c')
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