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Heesub Shin authored
zbud_alloc() incorrectly verifies the size of allocation limit. It should deny the allocation request greater than (PAGE_SIZE - ZHDR_SIZE_ALIGNED - CHUNK_SIZE), not (PAGE_SIZE - ZHDR_SIZE_ALIGNED) which has no remaining spaces for its buddy. There is no point in spending the entire zbud page storing only a single page, since we don't have any benefits. Signed-off-by:
Heesub Shin <heesub.shin@samsung.com> Acked-by:
Seth Jennings <sjenning@linux.vnet.ibm.com> Cc: Bob Liu <bob.liu@oracle.com> Cc: Dongjun Shin <d.j.shin@samsung.com> Cc: Sunae Seo <sunae.seo@samsung.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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