https://bugzilla.kernel.org/show_bug.cgi?id=204371
Christophe Leroy (christophe.le...@c-s.fr) changed:
What |Removed |Added
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CC| |christophe.le...@c-s.fr
--- Comment #16 from Christophe Leroy (christophe.le...@c-s.fr) ---
Interesting.
I see in that commit that in fs/btrfs/free-space-cache.c, copy_page() is done
using entry->bitmap.
entry->bitmap is allocated with kmalloc() so there is a possibility that
entry->bitmap is not page aligned.
copy_page() in arch/powerpc/kernel/misc_32.S assumes that source and
destination are aligned on cache lines at least.
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