mm/huge_memory: make is_transparent_hugepage() static
It's only used inside the huge_memory.c now. Don't export it and make
it static. We can thus reduce the size of huge_memory.o a bit.
Without this patch:
text data bss dec hex filename
32319 2965 4 35288 89d8 mm/huge_memory.o
With this patch:
text data bss dec hex filename
32042 2957 4 35003 88bb mm/huge_memory.o
Link: https://lkml.kernel.org/r/20220302082145.12028-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 035aa20..057b13b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -533,7 +533,7 @@ void prep_transhuge_page(struct page *page)
set_compound_page_dtor(page, TRANSHUGE_PAGE_DTOR);
}
-bool is_transparent_hugepage(struct page *page)
+static inline bool is_transparent_hugepage(struct page *page)
{
if (!PageCompound(page))
return false;
@@ -542,7 +542,6 @@ bool is_transparent_hugepage(struct page *page)
return is_huge_zero_page(page) ||
page[1].compound_dtor == TRANSHUGE_PAGE_DTOR;
}
-EXPORT_SYMBOL_GPL(is_transparent_hugepage);
static unsigned long __thp_get_unmapped_area(struct file *filp,
unsigned long addr, unsigned long len,
