mm/sparse: remove redundant judgments from macro for_each_present_section_nr

next_present_section_nr() has already ensured that
'section_nr<=__highest_present_section_nr', so this check is removed.

Link: https://lkml.kernel.org/r/20230707060501.29184-1-liuq131@chinatelecom.cn
Signed-off-by: liuq <liuq131@chinatelecom.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/sparse.c b/mm/sparse.c
index 297a8b7..77d91e5 100644 (file)
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -172,8 +172,7 @@ static void __section_mark_present(struct mem_section *ms,
 
 #define for_each_present_section_nr(start, section_nr)         \
        for (section_nr = next_present_section_nr(start-1);     \
-            ((section_nr != -1) &&                             \
-             (section_nr <= __highest_present_section_nr));    \
+            section_nr != -1;                                                          \
             section_nr = next_present_section_nr(section_nr))
 
 static inline unsigned long first_present_section_nr(void)