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HWPOISON: Add support for poison swap entries v2
authorAndi Kleen <andi@firstfloor.org>
Wed, 16 Sep 2009 09:50:05 +0000 (11:50 +0200)
committerAndi Kleen <ak@linux.intel.com>
Wed, 16 Sep 2009 09:50:05 +0000 (11:50 +0200)
commita7420aa54dbf699a5a05feba3c859b6baaa3938c
tree97119d311149c902b3bd3a6157e70fb79c876462tree | snapshot
parent10be22dfe1e6ad978269dc275147e0ed049187bbcommit | diff
HWPOISON: Add support for poison swap entries v2

Memory migration uses special swap entry types to trigger special actions on
page faults. Extend this mechanism to also support poisoned swap entries, to
trigger poison handling on page faults. This allows follow-on patches to
prevent processes from faulting in poisoned pages again.

v2: Fix overflow in MAX_SWAPFILES (Fengguang Wu)
v3: Better overflow fix (Hidehiro Kawai)

Signed-off-by: Andi Kleen <ak@linux.intel.com>
include/linux/swap.h diff | blob | history
include/linux/swapops.h diff | blob | history
mm/swapfile.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git