The patch titled
Subject: mm: rename zap_skip_check_mapping() to should_zap_page()
has been removed from the -mm tree. Its filename was
mm-rename-zap_skip_check_mapping-to-should_zap_page.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Peter Xu <peterx@xxxxxxxxxx>
Subject: mm: rename zap_skip_check_mapping() to should_zap_page()
The previous name is against the natural way people think. Invert the
meaning and also the return value. No functional change intended.
Link: https://lkml.kernel.org/r/20220216094810.60572-3-peterx@xxxxxxxxxx
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
Suggested-by: David Hildenbrand <david@xxxxxxxxxx>
Suggested-by: Hugh Dickins <hughd@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Alistair Popple <apopple@xxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: "Kirill A . Shutemov" <kirill@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
--- a/mm/memory.c~mm-rename-zap_skip_check_mapping-to-should_zap_page
+++ a/mm/memory.c
@@ -1326,20 +1326,19 @@ static inline bool should_zap_cows(struc
/*
* We set details->zap_mapping when we want to unmap shared but keep private
- * pages. Return true if skip zapping this page, false otherwise.
+ * pages. Return true if we should zap this page, false otherwise.
*/
-static inline bool
-zap_skip_check_mapping(struct zap_details *details, struct page *page)
+static inline bool should_zap_page(struct zap_details *details, struct page *page)
{
/* If we can make a decision without *page.. */
if (should_zap_cows(details))
- return false;
+ return true;
/* E.g. the caller passes NULL for the case of a zero page */
if (!page)
- return false;
+ return true;
- return details->zap_mapping != page_rmapping(page);
+ return details->zap_mapping == page_rmapping(page);
}
static unsigned long zap_pte_range(struct mmu_gather *tlb,
@@ -1374,7 +1373,7 @@ again:
struct page *page;
page = vm_normal_page(vma, addr, ptent);
- if (unlikely(zap_skip_check_mapping(details, page)))
+ if (unlikely(!should_zap_page(details, page)))
continue;
ptent = ptep_get_and_clear_full(mm, addr, pte,
tlb->fullmm);
@@ -1408,7 +1407,7 @@ again:
is_device_exclusive_entry(entry)) {
struct page *page = pfn_swap_entry_to_page(entry);
- if (unlikely(zap_skip_check_mapping(details, page)))
+ if (unlikely(!should_zap_page(details, page)))
continue;
pte_clear_not_present_full(mm, addr, pte, tlb->fullmm);
rss[mm_counter(page)]--;
@@ -1429,7 +1428,7 @@ again:
struct page *page;
page = pfn_swap_entry_to_page(entry);
- if (zap_skip_check_mapping(details, page))
+ if (!should_zap_page(details, page))
continue;
rss[mm_counter(page)]--;
} else if (is_hwpoison_entry(entry)) {
_
Patches currently in -mm which might be from peterx@xxxxxxxxxx are
