The patch titled
Subject: mm, dump_page: rename head_mapcount() --> head_compound_mapcount()
has been added to the -mm tree. Its filename is
mm-dump_page-rename-head_mapcount-head_compound_mapcount.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-dump_page-rename-head_mapcount-head_compound_mapcount.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-dump_page-rename-head_mapcount-head_compound_mapcount.patch
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------------------------------------------------------
From: John Hubbard <jhubbard@xxxxxxxxxx>
Subject: mm, dump_page: rename head_mapcount() --> head_compound_mapcount()
Rename head_pincount() --> head_compound_pincount(). These names are more
accurate (or less misleading) than the original ones.
Link: https://lkml.kernel.org/r/20200807183358.105097-1-jhubbard@xxxxxxxxxx
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Qian Cai <cai@xxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 8 ++++----
mm/debug.c | 6 +++---
2 files changed, 7 insertions(+), 7 deletions(-)
--- a/include/linux/mm.h~mm-dump_page-rename-head_mapcount-head_compound_mapcount
+++ a/include/linux/mm.h
@@ -776,7 +776,7 @@ static inline void *kvcalloc(size_t n, s
extern void kvfree(const void *addr);
extern void kvfree_sensitive(const void *addr, size_t len);
-static inline int head_mapcount(struct page *head)
+static inline int head_compound_mapcount(struct page *head)
{
return atomic_read(compound_mapcount_ptr(head)) + 1;
}
@@ -790,7 +790,7 @@ static inline int compound_mapcount(stru
{
VM_BUG_ON_PAGE(!PageCompound(page), page);
page = compound_head(page);
- return head_mapcount(page);
+ return head_compound_mapcount(page);
}
/*
@@ -903,7 +903,7 @@ static inline bool hpage_pincount_availa
return PageCompound(page) && compound_order(page) > 1;
}
-static inline int head_pincount(struct page *head)
+static inline int head_compound_pincount(struct page *head)
{
return atomic_read(compound_pincount_ptr(head));
}
@@ -912,7 +912,7 @@ static inline int compound_pincount(stru
{
VM_BUG_ON_PAGE(!hpage_pincount_available(page), page);
page = compound_head(page);
- return head_pincount(page);
+ return head_compound_pincount(page);
}
static inline void set_compound_order(struct page *page, unsigned int order)
--- a/mm/debug.c~mm-dump_page-rename-head_mapcount-head_compound_mapcount
+++ a/mm/debug.c
@@ -102,12 +102,12 @@ void __dump_page(struct page *page, cons
if (hpage_pincount_available(page)) {
pr_warn("head:%p order:%u compound_mapcount:%d compound_pincount:%d\n",
head, compound_order(head),
- head_mapcount(head),
- head_pincount(head));
+ head_compound_mapcount(head),
+ head_compound_pincount(head));
} else {
pr_warn("head:%p order:%u compound_mapcount:%d\n",
head, compound_order(head),
- head_mapcount(head));
+ head_compound_mapcount(head));
}
}
if (PageKsm(page))
_
Patches currently in -mm which might be from jhubbard@xxxxxxxxxx are
mm-dump_page-rename-head_mapcount-head_compound_mapcount.patch
