From: Matthew Wilcox <willy@infradead.org>
Date: Fri, 4 Oct 2024 17:43:52 +0000 (+0100)
Subject: mm-add-pageanonnotksm-fix
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bb7e9fff90d3c1478bb8f48118166d613aafa858;p=users%2Fjedix%2Flinux-maple.git

mm-add-pageanonnotksm-fix

fix assertions

Link: https://lkml.kernel.org/r/ZwApWPER7caIA_N3@casper.infradead.org
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Cc: Alex Shi <alexs@kernel.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index dbca42c9c53ca..1fcef06a2d316 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -1144,14 +1144,14 @@ static __always_inline int PageAnonExclusive(const struct page *page)
 
 static __always_inline void SetPageAnonExclusive(struct page *page)
 {
-	VM_BUG_ON_PGFLAGS(PageAnonNotKsm(page), page);
+	VM_BUG_ON_PGFLAGS(!PageAnonNotKsm(page), page);
 	VM_BUG_ON_PGFLAGS(PageHuge(page) && !PageHead(page), page);
 	set_bit(PG_anon_exclusive, &PF_ANY(page, 1)->flags);
 }
 
 static __always_inline void ClearPageAnonExclusive(struct page *page)
 {
-	VM_BUG_ON_PGFLAGS(PageAnonNotKsm(page), page);
+	VM_BUG_ON_PGFLAGS(!PageAnonNotKsm(page), page);
 	VM_BUG_ON_PGFLAGS(PageHuge(page) && !PageHead(page), page);
 	clear_bit(PG_anon_exclusive, &PF_ANY(page, 1)->flags);
 }