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authorMike Rapoport (IBM) <rppt@kernel.org>2023-01-04 22:18:05 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-01-19 04:12:54 +0300
commitfc5744881eabcc73ed24a4229034f0fbdeb3f46f (patch)
tree92c72b2179322cc631ec4a0dae055cf18931e570 /mm/page_alloc.c
parentf78dfc7b77d5c3527d0f895bef693f711802de5a (diff)
downloadlinux-fc5744881eabcc73ed24a4229034f0fbdeb3f46f.tar.xz
mm/page_alloc: invert logic for early page initialisation checks
Rename early_page_uninitialised() to early_page_initialised() and invert its logic to make the code more readable. Link: https://lkml.kernel.org/r/20230104191805.2535864-1-rppt@kernel.org Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Mel Gorman <mgorman@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5668c1a2de49..5514d84cc712 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -443,15 +443,15 @@ static inline bool deferred_pages_enabled(void)
return static_branch_unlikely(&deferred_pages);
}
-/* Returns true if the struct page for the pfn is uninitialised */
-static inline bool __meminit early_page_uninitialised(unsigned long pfn)
+/* Returns true if the struct page for the pfn is initialised */
+static inline bool __meminit early_page_initialised(unsigned long pfn)
{
int nid = early_pfn_to_nid(pfn);
if (node_online(nid) && pfn >= NODE_DATA(nid)->first_deferred_pfn)
- return true;
+ return false;
- return false;
+ return true;
}
/*
@@ -498,9 +498,9 @@ static inline bool deferred_pages_enabled(void)
return false;
}
-static inline bool early_page_uninitialised(unsigned long pfn)
+static inline bool early_page_initialised(unsigned long pfn)
{
- return false;
+ return true;
}
static inline bool defer_init(int nid, unsigned long pfn, unsigned long end_pfn)
@@ -1643,7 +1643,7 @@ static void __meminit init_reserved_page(unsigned long pfn)
pg_data_t *pgdat;
int nid, zid;
- if (!early_page_uninitialised(pfn))
+ if (early_page_initialised(pfn))
return;
nid = early_pfn_to_nid(pfn);
@@ -1806,7 +1806,7 @@ int __meminit early_pfn_to_nid(unsigned long pfn)
void __init memblock_free_pages(struct page *page, unsigned long pfn,
unsigned int order)
{
- if (early_page_uninitialised(pfn))
+ if (!early_page_initialised(pfn))
return;
if (!kmsan_memblock_free_pages(page, order)) {
/* KMSAN will take care of these pages. */