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lib: test_hmm: use min() to improve dmirror_exclusive()

Use min() to simplify the dmirror_exclusive() function and improve its
readability.

Link: https://lkml.kernel.org/r/20240726131245.161695-1-thorsten.blum@toblux.com
Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Jérôme Glisse <jglisse@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Thorsten Blum 2024-07-26 15:12:46 +02:00 committed by Andrew Morton
parent 073ebebd18
commit 592c9330e3

View File

@ -799,10 +799,7 @@ static int dmirror_exclusive(struct dmirror *dmirror,
unsigned long mapped = 0; unsigned long mapped = 0;
int i; int i;
if (end < addr + (ARRAY_SIZE(pages) << PAGE_SHIFT)) next = min(end, addr + (ARRAY_SIZE(pages) << PAGE_SHIFT));
next = end;
else
next = addr + (ARRAY_SIZE(pages) << PAGE_SHIFT);
ret = make_device_exclusive_range(mm, addr, next, pages, NULL); ret = make_device_exclusive_range(mm, addr, next, pages, NULL);
/* /*