The patch titled
Subject: mm/huge_memory: make is_transparent_hugepage() static
has been added to the -mm tree. Its filename is
mm-huge_memory-make-is_transparent_hugepage-static.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-huge_memory-make-is_transparent_hugepage-static.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-huge_memory-make-is_transparent_hugepage-static.patch
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Reviewed-by: Yang Shi <shy828301@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Peter Xu <peterx@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/huge_mm.h | 6 ------
mm/huge_memory.c | 3 +--
2 files changed, 1 insertion(+), 8 deletions(-)
--- a/include/linux/huge_mm.h~mm-huge_memory-make-is_transparent_hugepage-static
+++ a/include/linux/huge_mm.h
@@ -183,7 +183,6 @@ unsigned long thp_get_unmapped_area(stru
void prep_transhuge_page(struct page *page);
void free_transhuge_page(struct page *page);
-bool is_transparent_hugepage(struct page *page);
bool can_split_folio(struct folio *folio, int *pextra_pins);
int split_huge_page_to_list(struct page *page, struct list_head *list);
@@ -341,11 +340,6 @@ static inline bool transhuge_vma_enabled
static inline void prep_transhuge_page(struct page *page) {}
-static inline bool is_transparent_hugepage(struct page *page)
-{
- return false;
-}
-
#define transparent_hugepage_flags 0UL
#define thp_get_unmapped_area NULL
--- a/mm/huge_memory.c~mm-huge_memory-make-is_transparent_hugepage-static
+++ a/mm/huge_memory.c
@@ -533,7 +533,7 @@ void prep_transhuge_page(struct page *pa
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
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,
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-memremap-avoid-calling-kasan_remove_zero_shadow-for-device-private-memory.patch
filemap-remove-find_get_pages.patch
mm-writeback-minor-clean-up-for-highmem_dirtyable_memory.patch
mm-use-helper-function-range_in_vma.patch
mm-use-helper-macro-min-and-max-in-unmap_mapping_range_tree.patch
mm-sparse-make-mminit_validate_memmodel_limits-static.patch
mm-vmalloc-remove-unneeded-function-forward-declaration.patch
mm-mmzoneh-remove-unused-macros.patch
mm-memory-failurec-minor-clean-up-for-memory_failure_dev_pagemap.patch
mm-memory-failurec-catch-unexpected-efault-from-vma_address.patch
mm-memory-failurec-rework-the-signaling-logic-in-kill_proc.patch
mm-memory-failurec-fix-race-with-changing-page-more-robustly.patch
mm-memory-failurec-remove-pageslab-check-in-hwpoison_filter_dev.patch
mm-memory-failurec-rework-the-try_to_unmap-logic-in-hwpoison_user_mappings.patch
mm-memory-failurec-remove-obsolete-comment-in-__soft_offline_page.patch
mm-memory-failurec-remove-unnecessary-pagetranstail-check.patch
mm-hwpoison-inject-support-injecting-hwpoison-to-free-page.patch
mm-memory-failurec-fix-race-with-changing-page-compound-again.patch
mm-memory-failurec-fix-wrong-user-reference-report.patch
mm-memory-failurec-avoid-calling-invalidate_inode_page-with-unexpected-pages.patch
mm-memory-failurec-fix-potential-vm_bug_on_page-in-split_huge_page_to_list.patch
mm-hugetlb-use-helper-macro-__attr_rw.patch
mm-oom_kill-remove-unneeded-is_memcg_oom-check.patch
mm-ksm-use-helper-macro-__attr_rw.patch
mm-balloon_compaction-make-balloon-page-compaction-callbacks-static.patch
mm-memory_hotplug-remove-obsolete-comment-of-__add_pages.patch
mm-memory_hotplug-avoid-calling-zone_intersects-for-zone_normal.patch
mm-memory_hotplug-clean-up-try_offline_node.patch
mm-memory_hotplug-fix-misplaced-comment-in-offline_pages.patch
mm-highmem-remove-unnecessary-done-label.patch
mm-hmmc-remove-unneeded-local-variable-ret.patch
kernel-ksysfsc-use-helper-macro-__attr_rw.patch
kernel-resource-fix-kfree-of-bootmem-memory-again.patch
mm-huge_memory-make-is_transparent_hugepage-static.patch
