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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-06-29 05:41:07 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-29 20:53:53 +0300 |
| commit | d2f07ec052ac1a720d6f1919e3dee7d73f04d495 (patch) | |
| tree | d6c0c49568697a88e1e076cf9037e38eb32f8e0f /include/linux/mmdebug.h | |
| parent | b19bd1c976afeefc2ebba3d4dae8a4c296dae67f (diff) | |
| download | linux-d2f07ec052ac1a720d6f1919e3dee7d73f04d495.tar.xz | |
mm: make __dump_page static
Patch series "Constify struct page arguments".
While working on various solutions to the 32-bit struct page size
regression, one of the problems I found was the networking stack expects
to be able to pass const struct page pointers around, and the mm doesn't
provide a lot of const-friendly functions to call. The root tangle of
problems is that a lot of functions call VM_BUG_ON_PAGE(), which calls
dump_page(), which calls a lot of functions which don't take a const
struct page (but could be const).
This patch (of 6):
The only caller of __dump_page() now opencodes dump_page(), so remove it
as an externally visible symbol.
Link: https://lkml.kernel.org/r/20210416231531.2521383-1-willy@infradead.org
Link: https://lkml.kernel.org/r/20210416231531.2521383-2-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mmdebug.h')
| -rw-r--r-- | include/linux/mmdebug.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 5d0767cb424a..1935d4c72d10 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -9,8 +9,7 @@ struct page; struct vm_area_struct; struct mm_struct; -extern void dump_page(struct page *page, const char *reason); -extern void __dump_page(struct page *page, const char *reason); +void dump_page(struct page *page, const char *reason); void dump_vma(const struct vm_area_struct *vma); void dump_mm(const struct mm_struct *mm); |