[v1 0/1] discard memblock data later

From	Pavel Tatashin <pasha.tatashin@oracle.com>
Newsgroups	linux.kernel
Subject	[v1 0/1] discard memblock data later
Date	2017-08-11 23:10 +0200
Message-ID	<udplU-8vf-7@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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This fixes a problem with use after free that can happen when there are
many physical regions and deferred pages are enabled.

Also, this fix is needed for my upcoming improvements to deferred pages:
"complete deferred page initialization", where we do not zero the backing
struct page memory.

Pavel Tatashin (1):
  mm: discard memblock data later

 include/linux/memblock.h |  8 +++++---
 mm/memblock.c            | 38 +++++++++++++++++---------------------
 mm/nobootmem.c           | 16 ----------------
 mm/page_alloc.c          |  4 ++++
 4 files changed, 26 insertions(+), 40 deletions(-)

-- 
2.14.0

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[v1 0/1] discard memblock data later Pavel Tatashin <pasha.tatashin@oracle.com> - 2017-08-11 23:10 +0200
  [v1 1/1] mm: discard memblock data later Pavel Tatashin <pasha.tatashin@oracle.com> - 2017-08-11 23:10 +0200

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