[POWERPC] Make high hugepage areas preempt safe

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Checking source for other get_paca()->field preemption dangers found that
open_high_hpage_areas does a structure copy into its paca while preemption
is enabled: unsafe however gcc accomplishes it.  Just remove that copy:
it's done safely afterwards by on_each_cpu, as in open_low_hpage_areas.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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Hugh Dickins 2006-10-31 18:40:39 +00:00 • committed by Paul Mackerras

parent 5fe8e8b88e

commit 96268889ee

1 changed files with 0 additions and 3 deletions

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arch/powerpc/mm/hugetlbpage.c

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