Linus Torvalds writes: (Summary) Right now I think it's getting
reverted, but the oops explanation in the commit is about that
reverted, but the oops explanation in the commit is about that
kernel BUG at mm/memory.c:1422!
kernel BUG at mm/memory.c:1422!
which was/is debatable and seems to make no sense (and definitely is still triggerable despite that commit 684283988f70 ("huge pagecache: mmap_sem is unlocked when truncation splits pmd") that limited it a bit - but I think it didn't limit it enough.
bit - but I think it didn't limit it enough.
Linus
Linus
Linus
kernel BUG at mm/memory.c:1422!
which was/is debatable and seems to make no sense (and definitely is still triggerable despite that commit 684283988f70 ("huge pagecache: mmap_sem is unlocked when truncation splits pmd") that limited it a bit - but I think it didn't limit it enough.
bit - but I think it didn't limit it enough.
Linus
Linus
Linus