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8876dc0780
This hook was introduced to work around code that seemed to absolutely require access to a VMA pointer upon mmap(). However, providing this hook leaves a backdoor to drivers getting access to the very thing mmap_prepare eliminates - a pointer to the VMA. Let's solve this contradiction by removing it. The key intended user was hugetlb, however it seems that the best course now is to avoid allowing all drivers the ability to work around mmap_prepare, and find a different solution there. Link: https://lore.kernel.org/f79434e6d30af6d92999be6b76e197f1847105fa.1780397980.git.ljs@kernel.org Signed-off-by: Lorenzo Stoakes <ljs@kernel.org> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jann Horn <jannh@google.com> Cc: Liam R. Howlett <liam@infradead.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Pedro Falcato <pfalcato@suse.de> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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