sh: remove unnecessary memset after alloc_bootmem_low_pages
Because alloc_bootmem functions return the allocated memory always zeroed, an additional call of memset on allocated memory is unnecessary. Signed-off-by: NMarek Skuczynski <M.Skuczynski@adbglobal.com> Signed-off-by: NCarl Shaw <carl.shaw@st.com> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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