The patch titled
Subject: mm/cma: move init_cma_reserved_pages() to cma.c and make it static
has been added to the -mm mm-unstable branch. Its filename is
mm-cma-move-init_cma_reserved_pages-to-cmac-and-make-it-static.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-cma-move-init_cma_reserved_pages-to-cmac-and-make-it-static.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>
Subject: mm/cma: move init_cma_reserved_pages() to cma.c and make it static
Date: Sun, 19 Mar 2023 23:59:55 +0200
init_cma_reserved_pages() only used in cma.c, no point of having it in
page_alloc.c.
Move init_cma_reserved_pages() to cma.c and make it static.
Link: https://lkml.kernel.org/r/20230319220008.2138576-3-rppt@xxxxxxxxxx
Signed-off-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/include/linux/gfp.h~mm-cma-move-init_cma_reserved_pages-to-cmac-and-make-it-static
+++ a/include/linux/gfp.h
@@ -361,9 +361,4 @@ extern struct page *alloc_contig_pages(u
#endif
void free_contig_range(unsigned long pfn, unsigned long nr_pages);
-#ifdef CONFIG_CMA
-/* CMA stuff */
-extern void init_cma_reserved_pageblock(struct page *page);
-#endif
-
#endif /* __LINUX_GFP_H */
--- a/mm/cma.c~mm-cma-move-init_cma_reserved_pages-to-cmac-and-make-it-static
+++ a/mm/cma.c
@@ -31,8 +31,10 @@
#include <linux/highmem.h>
#include <linux/io.h>
#include <linux/kmemleak.h>
+#include <linux/page-isolation.h>
#include <trace/events/cma.h>
+#include "internal.h"
#include "cma.h"
struct cma cma_areas[MAX_CMA_AREAS];
@@ -93,6 +95,25 @@ static void cma_clear_bitmap(struct cma
spin_unlock_irqrestore(&cma->lock, flags);
}
+/* Free whole pageblock and set its migration type to MIGRATE_CMA. */
+static void init_cma_reserved_pageblock(struct page *page)
+{
+ unsigned i = pageblock_nr_pages;
+ struct page *p = page;
+
+ do {
+ __ClearPageReserved(p);
+ set_page_count(p, 0);
+ } while (++p, --i);
+
+ set_pageblock_migratetype(page, MIGRATE_CMA);
+ set_page_refcounted(page);
+ __free_pages(page, pageblock_order);
+
+ adjust_managed_page_count(page, pageblock_nr_pages);
+ page_zone(page)->cma_pages += pageblock_nr_pages;
+}
+
static void __init cma_activate_area(struct cma *cma)
{
unsigned long base_pfn = cma->base_pfn, pfn;
--- a/mm/page_alloc.c~mm-cma-move-init_cma_reserved_pages-to-cmac-and-make-it-static
+++ a/mm/page_alloc.c
@@ -2287,27 +2287,6 @@ void __init page_alloc_init_late(void)
set_zone_contiguous(zone);
}
-#ifdef CONFIG_CMA
-/* Free whole pageblock and set its migration type to MIGRATE_CMA. */
-void __init init_cma_reserved_pageblock(struct page *page)
-{
- unsigned i = pageblock_nr_pages;
- struct page *p = page;
-
- do {
- __ClearPageReserved(p);
- set_page_count(p, 0);
- } while (++p, --i);
-
- set_pageblock_migratetype(page, MIGRATE_CMA);
- set_page_refcounted(page);
- __free_pages(page, pageblock_order);
-
- adjust_managed_page_count(page, pageblock_nr_pages);
- page_zone(page)->cma_pages += pageblock_nr_pages;
-}
-#endif
-
/*
* The order of subdivision here is critical for the IO subsystem.
* Please do not alter this order without good reasons and regression
_
Patches currently in -mm which might be from rppt@xxxxxxxxxx are
mm-move-get_page_from_free_area-to-mm-page_allocc.patch
mips-fix-comment-about-pgtable_init.patch
mm-cma-move-init_cma_reserved_pages-to-cmac-and-make-it-static.patch
mm-page_alloc-add-helper-for-checking-if-check_pages_enabled.patch
mm-move-most-of-core-mm-initialization-to-mm-mm_initc.patch
mm-handle-hashdist-initialization-in-mm-mm_initc.patch
mm-page_alloc-rename-page_alloc_init-to-page_alloc_init_cpuhp.patch
init-fold-build_all_zonelists-and-page_alloc_init_cpuhp-to-mm_init.patch
initmm-move-mm_init-to-mm-mm_initc-and-rename-it-to-mm_core_init.patch
mm-move-pgtable_init-to-mm-mm_initc-and-make-it-static.patch
mm-move-init_mem_debugging_and_hardening-to-mm-mm_initc.patch
initmm-fold-late-call-to-page_ext_init-to-page_alloc_init_late.patch
mm-move-mem_init_print_info-to-mm_initc.patch
mm-move-kmem_cache_init-declaration-to-mm-slabh.patch
mm-move-vmalloc_init-declaration-to-mm-internalh.patch
maintainers-extend-memblock-entry-to-include-mm-initialization.patch
