aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/btree.h
diff options
context:
space:
mode:
authorHugh Dickins <hughd@google.com>2011-01-13 15:46:52 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:42 -0800
commit8a07651ee8cdaa9e27cb4ae372aed347533770f5 (patch)
tree07a442e66c3f608e174edd3b8a2fd154f4219380 /include/linux/btree.h
parent71e3aac0724ffe8918992d76acfe3aad7d8724a5 (diff)
downloadkernel_samsung_smdk4412-8a07651ee8cdaa9e27cb4ae372aed347533770f5.zip
kernel_samsung_smdk4412-8a07651ee8cdaa9e27cb4ae372aed347533770f5.tar.gz
kernel_samsung_smdk4412-8a07651ee8cdaa9e27cb4ae372aed347533770f5.tar.bz2
thp: transparent hugepage core fixlet
If you configure THP in addition to HUGETLB_PAGE on x86_32 without PAE, the p?d-folding works out that munlock_vma_pages_range() can crash to follow_page()'s pud_huge() BUG_ON(flags & FOLL_GET): it needs the same VM_HUGETLB check already there on the pmd_huge() line. Conveniently, openSUSE provides a "blogd" which tests this out at startup! Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Rik van Riel <riel@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/btree.h')
0 files changed, 0 insertions, 0 deletions