Author: Himangi Saraogi <himangi774@gmail.com> alloc_bootmem and related functions always return a zeroed region of memory. Thus a memset after calls to these functions is unnecessary. The following Coccinelle semantic patch was used for making the change: @@ expression E,E1; @@ E = \(alloc_bootmem\|alloc_bootmem_low\|alloc_bootmem_pages\|alloc_bootmem_low_pages\)(…) … when != E – memset(E,0,E1); Signed-off-by: Himangi Saraogi Acked-by: Julia Lawall …