The patch titled
Subject: mm/zsmalloc: convert obj_to_page() and zs_free() to use zpdesc
has been added to the -mm mm-unstable branch. Its filename is
mm-zsmalloc-convert-obj_to_page-and-zs_free-to-use-zpdesc.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-zsmalloc-convert-obj_to_page-and-zs_free-to-use-zpdesc.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: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Subject: mm/zsmalloc: convert obj_to_page() and zs_free() to use zpdesc
Date: Tue, 17 Dec 2024 00:04:40 +0900
Rename obj_to_page() to obj_to_zpdesc() and also convert it and its user
zs_free() to use zpdesc.
Link: https://lkml.kernel.org/r/20241216150450.1228021-10-42.hyeyoo@xxxxxxxxx
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Signed-off-by: Alex Shi <alexs@xxxxxxxxxx>
Acked-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Tested-by: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/zsmalloc.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/mm/zsmalloc.c~mm-zsmalloc-convert-obj_to_page-and-zs_free-to-use-zpdesc
+++ a/mm/zsmalloc.c
@@ -798,9 +798,9 @@ static void obj_to_location(unsigned lon
*obj_idx = (obj & OBJ_INDEX_MASK);
}
-static void obj_to_page(unsigned long obj, struct page **page)
+static void obj_to_zpdesc(unsigned long obj, struct zpdesc **zpdesc)
{
- *page = pfn_to_page(obj >> OBJ_INDEX_BITS);
+ *zpdesc = pfn_zpdesc(obj >> OBJ_INDEX_BITS);
}
/**
@@ -1462,7 +1462,7 @@ static void obj_free(int class_size, uns
void zs_free(struct zs_pool *pool, unsigned long handle)
{
struct zspage *zspage;
- struct page *f_page;
+ struct zpdesc *f_zpdesc;
unsigned long obj;
struct size_class *class;
int fullness;
@@ -1476,8 +1476,8 @@ void zs_free(struct zs_pool *pool, unsig
*/
read_lock(&pool->migrate_lock);
obj = handle_to_obj(handle);
- obj_to_page(obj, &f_page);
- zspage = get_zspage(f_page);
+ obj_to_zpdesc(obj, &f_zpdesc);
+ zspage = get_zspage(zpdesc_page(f_zpdesc));
class = zspage_class(pool, zspage);
spin_lock(&class->lock);
read_unlock(&pool->migrate_lock);
_
Patches currently in -mm which might be from 42.hyeyoo@xxxxxxxxx are
mm-migrate-remove-slab-checks-in-isolate_movable_page.patch
mm-zsmalloc-convert-__zs_map_object-__zs_unmap_object-to-use-zpdesc.patch
mm-zsmalloc-add-and-use-pfn-zpdesc-seeking-funcs.patch
mm-zsmalloc-convert-obj_malloc-to-use-zpdesc.patch
mm-zsmalloc-convert-obj_allocated-and-related-helpers-to-use-zpdesc.patch
mm-zsmalloc-convert-init_zspage-to-use-zpdesc.patch
mm-zsmalloc-convert-obj_to_page-and-zs_free-to-use-zpdesc.patch
mm-zsmalloc-add-two-helpers-for-zs_page_migrate-and-make-it-use-zpdesc.patch
mm-zsmalloc-convert-__free_zspage-to-use-zpdesc.patch
mm-zsmalloc-convert-location_to_obj-to-take-zpdesc.patch
mm-zsmalloc-convert-migrate_zspage-to-use-zpdesc.patch
mm-zsmalloc-convert-get_zspage-to-take-zpdesc.patch
