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| author | Ben Hutchings <[email protected]> | 2013-04-29 22:07:49 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2013-04-29 22:54:35 +0000 |
| commit | 055e4fd96e95b0eee0d92fd54a26be7f0d3bcad0 (patch) | |
| tree | 48f7e2d9a829daf6fef897e7d34dfa01f8cf83b3 /mm/sparse.c | |
| parent | mm, hugetlb: include hugepages in meminfo (diff) | |
| download | kernel-055e4fd96e95b0eee0d92fd54a26be7f0d3bcad0.tar.gz kernel-055e4fd96e95b0eee0d92fd54a26be7f0d3bcad0.zip | |
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 <[email protected]>
Signed-off-by: Johannes Weiner <[email protected]>
Reported-by: Bernhard Schmidt <[email protected]>
Tested-by: Bernhard Schmidt <[email protected]>
Cc: Russell King <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: David Miller <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'mm/sparse.c')
0 files changed, 0 insertions, 0 deletions