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authorHyeonggon Yoo <42.hyeyoo@gmail.com>2024-12-16 16:04:46 +0100
committerAndrew Morton <akpm@linux-foundation.org>2025-01-26 05:22:35 +0100
commit6d0adf4b6262157ed212b7869af8f2f5d72ea38a (patch)
treec83f2e82bf489fdd5ba04d476a401aff85e6ffe8 /mm/zsmalloc.c
parentmm/zsmalloc: convert migrate_zspage() to use zpdesc (diff)
downloadlinux-6d0adf4b6262157ed212b7869af8f2f5d72ea38a.tar.xz
linux-6d0adf4b6262157ed212b7869af8f2f5d72ea38a.zip
mm/zsmalloc: convert get_zspage() to take zpdesc
Now that all users except get_next_page() (which will be removed in later patch) use zpdesc, convert get_zspage() to take zpdesc instead of page. Link: https://lkml.kernel.org/r/20241216150450.1228021-16-42.hyeyoo@gmail.com Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com> Signed-off-by: Alex Shi <alexs@kernel.org> Acked-by: Sergey Senozhatsky <senozhatsky@chromium.org> Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Minchan Kim <minchan@kernel.org> Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--mm/zsmalloc.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index fd07670b0996..77fd4e0b5bb0 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -757,9 +757,9 @@ out:
return newfg;
}
-static struct zspage *get_zspage(struct page *page)
+static struct zspage *get_zspage(struct zpdesc *zpdesc)
{
- struct zspage *zspage = (struct zspage *)page_private(page);
+ struct zspage *zspage = zpdesc->zspage;
BUG_ON(zspage->magic != ZSPAGE_MAGIC);
return zspage;
@@ -767,7 +767,7 @@ static struct zspage *get_zspage(struct page *page)
static struct page *get_next_page(struct page *page)
{
- struct zspage *zspage = get_zspage(page);
+ struct zspage *zspage = get_zspage(page_zpdesc(page));
if (unlikely(ZsHugePage(zspage)))
return NULL;
@@ -777,7 +777,7 @@ static struct page *get_next_page(struct page *page)
static struct zpdesc *get_next_zpdesc(struct zpdesc *zpdesc)
{
- struct zspage *zspage = get_zspage(zpdesc_page(zpdesc));
+ struct zspage *zspage = get_zspage(zpdesc);
if (unlikely(ZsHugePage(zspage)))
return NULL;
@@ -827,7 +827,7 @@ static inline bool obj_allocated(struct zpdesc *zpdesc, void *obj,
unsigned long *phandle)
{
unsigned long handle;
- struct zspage *zspage = get_zspage(zpdesc_page(zpdesc));
+ struct zspage *zspage = get_zspage(zpdesc);
if (unlikely(ZsHugePage(zspage))) {
VM_BUG_ON_PAGE(!is_first_zpdesc(zpdesc), zpdesc_page(zpdesc));
@@ -1232,7 +1232,7 @@ void *zs_map_object(struct zs_pool *pool, unsigned long handle,
read_lock(&pool->migrate_lock);
obj = handle_to_obj(handle);
obj_to_location(obj, &zpdesc, &obj_idx);
- zspage = get_zspage(zpdesc_page(zpdesc));
+ zspage = get_zspage(zpdesc);
/*
* migration cannot move any zpages in this zspage. Here, class->lock
@@ -1282,7 +1282,7 @@ void zs_unmap_object(struct zs_pool *pool, unsigned long handle)
obj = handle_to_obj(handle);
obj_to_location(obj, &zpdesc, &obj_idx);
- zspage = get_zspage(zpdesc_page(zpdesc));
+ zspage = get_zspage(zpdesc);
class = zspage_class(pool, zspage);
off = offset_in_page(class->size * obj_idx);
@@ -1445,7 +1445,7 @@ static void obj_free(int class_size, unsigned long obj)
obj_to_location(obj, &f_zpdesc, &f_objidx);
f_offset = offset_in_page(class_size * f_objidx);
- zspage = get_zspage(zpdesc_page(f_zpdesc));
+ zspage = get_zspage(f_zpdesc);
vaddr = kmap_local_zpdesc(f_zpdesc);
link = (struct link_free *)(vaddr + f_offset);
@@ -1479,7 +1479,7 @@ void zs_free(struct zs_pool *pool, unsigned long handle)
read_lock(&pool->migrate_lock);
obj = handle_to_obj(handle);
obj_to_zpdesc(obj, &f_zpdesc);
- zspage = get_zspage(zpdesc_page(f_zpdesc));
+ zspage = get_zspage(f_zpdesc);
class = zspage_class(pool, zspage);
spin_lock(&class->lock);
read_unlock(&pool->migrate_lock);
@@ -1812,7 +1812,7 @@ static int zs_page_migrate(struct page *newpage, struct page *page,
__SetPageZsmalloc(zpdesc_page(newzpdesc));
/* The page is locked, so this pointer must remain valid */
- zspage = get_zspage(zpdesc_page(zpdesc));
+ zspage = get_zspage(zpdesc);
pool = zspage->pool;
/*