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| author | Alex Shi <alexs@kernel.org> | 2024-12-16 16:04:49 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-01-26 05:22:35 +0100 |
| commit | b5f469a140b9f535fe2d3770209d5d751822898a (patch) | |
| tree | 8c44432d64992534fda754c5d04df0f387d5455a /mm | |
| parent | mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc (diff) | |
| download | linux-b5f469a140b9f535fe2d3770209d5d751822898a.tar.xz linux-b5f469a140b9f535fe2d3770209d5d751822898a.zip | |
mm/zsmalloc: introduce __zpdesc_clear/set_zsmalloc()
Add helper __zpdesc_clear_zsmalloc() for __ClearPageZsmalloc(),
__zpdesc_set_zsmalloc() for __SetPageZsmalloc(), and use them in callers.
[42.hyeyoo@gmail.com: keep reset_zpdesc() to use struct page]
Link: https://lkml.kernel.org/r/20241216150450.1228021-19-42.hyeyoo@gmail.com
Signed-off-by: Alex Shi <alexs@kernel.org>
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
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 'mm')
| -rw-r--r-- | mm/zpdesc.h | 10 | ||||
| -rw-r--r-- | mm/zsmalloc.c | 6 |
2 files changed, 13 insertions, 3 deletions
diff --git a/mm/zpdesc.h b/mm/zpdesc.h index 4a4e68446f5a..fa47fece2237 100644 --- a/mm/zpdesc.h +++ b/mm/zpdesc.h @@ -155,6 +155,16 @@ static inline void __zpdesc_set_movable(struct zpdesc *zpdesc, __SetPageMovable(zpdesc_page(zpdesc), mops); } +static inline void __zpdesc_set_zsmalloc(struct zpdesc *zpdesc) +{ + __SetPageZsmalloc(zpdesc_page(zpdesc)); +} + +static inline void __zpdesc_clear_zsmalloc(struct zpdesc *zpdesc) +{ + __ClearPageZsmalloc(zpdesc_page(zpdesc)); +} + static inline bool zpdesc_is_isolated(struct zpdesc *zpdesc) { return PageIsolated(zpdesc_page(zpdesc)); diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 69d1a7ea1a0d..817626a351f8 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1001,13 +1001,13 @@ static struct zspage *alloc_zspage(struct zs_pool *pool, if (!zpdesc) { while (--i >= 0) { zpdesc_dec_zone_page_state(zpdescs[i]); - __ClearPageZsmalloc(zpdesc_page(zpdescs[i])); + __zpdesc_clear_zsmalloc(zpdescs[i]); free_zpdesc(zpdescs[i]); } cache_free_zspage(pool, zspage); return NULL; } - __SetPageZsmalloc(zpdesc_page(zpdesc)); + __zpdesc_set_zsmalloc(zpdesc); zpdesc_inc_zone_page_state(zpdesc); zpdescs[i] = zpdesc; @@ -1786,7 +1786,7 @@ static int zs_page_migrate(struct page *newpage, struct page *page, VM_BUG_ON_PAGE(!zpdesc_is_isolated(zpdesc), zpdesc_page(zpdesc)); /* We're committed, tell the world that this is a Zsmalloc page. */ - __SetPageZsmalloc(zpdesc_page(newzpdesc)); + __zpdesc_set_zsmalloc(newzpdesc); /* The page is locked, so this pointer must remain valid */ zspage = get_zspage(zpdesc); |