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| author | Ohhoon Kwon <ohoono.kwon@samsung.com> | 2021-09-02 14:57:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-03 09:58:14 -0700 |
| commit | 11e02d3729da1a2d4a33db5ea61291770d411884 (patch) | |
| tree | 285cdb3257527e880766f57bca3c9c6472f726ea | |
| parent | fc1f5e980a463325cf41d39ac6a69aa3cca73995 (diff) | |
| download | lwn-11e02d3729da1a2d4a33db5ea61291770d411884.tar.gz lwn-11e02d3729da1a2d4a33db5ea61291770d411884.zip | |
mm: sparse: remove __section_nr() function
As the last users of __section_nr() are gone, let's remove unused function
__section_nr().
Link: https://lkml.kernel.org/r/20210707150212.855-4-ohoono.kwon@samsung.com
Signed-off-by: Ohhoon Kwon <ohoono.kwon@samsung.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/mmzone.h | 1 | ||||
| -rw-r--r-- | mm/sparse.c | 26 |
2 files changed, 0 insertions, 27 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index fcb535560028..8827f4d081d4 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1342,7 +1342,6 @@ static inline struct mem_section *__nr_to_section(unsigned long nr) return NULL; return &mem_section[SECTION_NR_TO_ROOT(nr)][nr & SECTION_ROOT_MASK]; } -extern unsigned long __section_nr(struct mem_section *ms); extern size_t mem_section_usage_size(void); /* diff --git a/mm/sparse.c b/mm/sparse.c index 8018ee7fcda5..d85655242ed9 100644 --- a/mm/sparse.c +++ b/mm/sparse.c @@ -109,32 +109,6 @@ static inline int sparse_index_init(unsigned long section_nr, int nid) } #endif -#ifdef CONFIG_SPARSEMEM_EXTREME -unsigned long __section_nr(struct mem_section *ms) -{ - unsigned long root_nr; - struct mem_section *root = NULL; - - for (root_nr = 0; root_nr < NR_SECTION_ROOTS; root_nr++) { - root = __nr_to_section(root_nr * SECTIONS_PER_ROOT); - if (!root) - continue; - - if ((ms >= root) && (ms < (root + SECTIONS_PER_ROOT))) - break; - } - - VM_BUG_ON(!root); - - return (root_nr * SECTIONS_PER_ROOT) + (ms - root); -} -#else -unsigned long __section_nr(struct mem_section *ms) -{ - return (unsigned long)(ms - mem_section[0]); -} -#endif - /* * During early boot, before section_mem_map is used for an actual * mem_map, we use section_mem_map to store the section's NUMA |