Commit aaa31e05 authored by ze zuo's avatar ze zuo Committed by Andrew Morton
Browse files

mm/mempolicy: use PAGE_ALIGN instead of open-coding it 

Replace the simple calculation with PAGE_ALIGN.

Link: https://lkml.kernel.org/r/20220913015505.1998958-1-zuoze1@huawei.com


Signed-off-by: default avatarze zuo <zuoze1@huawei.com>
Reviewed-by: default avatarMuchun Song <songmuchun@bytedance.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent d452289f

mm/mempolicy.c

+2 −2
Original line number Diff line number Diff line
@@ -1270,7 +1270,7 @@ static long do_mbind(unsigned long start, unsigned long len, 
	if (mode == MPOL_DEFAULT)

		flags &= ~MPOL_MF_STRICT;



	len = (len + PAGE_SIZE - 1) & PAGE_MASK;

	len = PAGE_ALIGN(len);

	end = start + len;



	if (end < start)
@@ -1507,7 +1507,7 @@ SYSCALL_DEFINE4(set_mempolicy_home_node, unsigned long, start, unsigned long, le 
	if (home_node >= MAX_NUMNODES || !node_online(home_node))

		return -EINVAL;



	len = (len + PAGE_SIZE - 1) & PAGE_MASK;

	len = PAGE_ALIGN(len);

	end = start + len;



	if (end < start)