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authorNick Piggin <npiggin@suse.de>2008-07-08 11:31:06 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-07-08 11:31:15 +0200
commit138c9021ca68d6f8a6fac3418995fee102a3cc22 (patch)
treef345a4754d5551b8578051379a68594618dda190 /include/asm-alpha
parent7b51ba38d9baca207152d1c97ec793cfb673a6cd (diff)
[S390] protect _PAGE_SPECIAL bit against mprotect
Stop mprotect's pte_modify from wiping out the s390 pte_special bit, which caused oops thereafter when vm_normal_page thought X's abnormal was normal. Debugged-by: Ryan Hope <rmh3093@gmail.com> Debugged-by: Zan Lynx <zlynx@acm.org> Acked-by: Hugh Dickins <hugh@veritas.com> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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