From: Hyeonggon Yoo <42.hyeyoo@gmail.com>
To: Minchan Kim <minchan@kernel.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Matthew Wilcox <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Hyeonggon Yoo <42.hyeyoo@gmail.com>
Subject: [RFC PATCH 11/25] mm/zsmalloc: convert init_zspage() to use zsdesc
Date: Mon, 20 Feb 2023 13:22:04 +0000 [thread overview]
Message-ID: <20230220132218.546369-12-42.hyeyoo@gmail.com> (raw)
In-Reply-To: <20230220132218.546369-1-42.hyeyoo@gmail.com>
Convert init_zspage() to use zsdesc and update its comment accordingly.
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
---
mm/zsmalloc.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index e1262c0a5ad4..cfcd63c50c36 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1206,16 +1206,16 @@ static void init_zspage(struct size_class *class, struct zspage *zspage)
{
unsigned int freeobj = 1;
unsigned long off = 0;
- struct page *page = get_first_page(zspage);
+ struct zsdesc *zsdesc = get_first_zsdesc(zspage);
- while (page) {
- struct page *next_page;
+ while (zsdesc) {
+ struct zsdesc *next_zsdesc;
struct link_free *link;
void *vaddr;
- set_first_obj_offset(page, off);
+ set_first_obj_offset(zsdesc_page(zsdesc), off);
- vaddr = kmap_atomic(page);
+ vaddr = zsdesc_kmap_atomic(zsdesc);
link = (struct link_free *)vaddr + off / sizeof(*link);
while ((off += class->size) < PAGE_SIZE) {
@@ -1225,11 +1225,11 @@ static void init_zspage(struct size_class *class, struct zspage *zspage)
/*
* We now come to the last (full or partial) object on this
- * page, which must point to the first object on the next
- * page (if present)
+ * zsdesc, which must point to the first object on the next
+ * zsdesc (if present)
*/
- next_page = get_next_page(page);
- if (next_page) {
+ next_zsdesc = get_next_zsdesc(zsdesc);
+ if (next_zsdesc) {
link->next = freeobj++ << OBJ_TAG_BITS;
} else {
/*
@@ -1239,7 +1239,7 @@ static void init_zspage(struct size_class *class, struct zspage *zspage)
link->next = -1UL << OBJ_TAG_BITS;
}
kunmap_atomic(vaddr);
- page = next_page;
+ zsdesc = next_zsdesc;
off %= PAGE_SIZE;
}
--
2.25.1
next prev parent reply other threads:[~2023-02-20 13:23 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-20 13:21 [RFC PATCH 00/25] mm/zsmalloc: Split zsdesc from struct page Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 01/25] mm/zsmalloc: create new struct zsdesc Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 02/25] mm/zsmalloc: add utility functions for zsdesc Hyeonggon Yoo
2023-02-27 15:30 ` Mike Rapoport
2023-03-01 6:19 ` Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 03/25] mm/zsmalloc: replace first_page to first_zsdesc in struct zspage Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 04/25] mm/zsmalloc: add alternatives of frequently used helper functions Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 05/25] mm/zsmalloc: convert {try,}lock_zspage() to use zsdesc Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 06/25] mm/zsmalloc: convert __zs_{map,unmap}_object() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 07/25] mm/zsmalloc: convert obj_to_location() and its users " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 08/25] mm/zsmalloc: convert obj_malloc() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 09/25] mm/zsmalloc: convert create_page_chain() and its users " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 10/25] mm/zsmalloc: convert obj_tagged() and related helpers " Hyeonggon Yoo
2023-02-20 13:22 ` Hyeonggon Yoo [this message]
2023-02-20 13:22 ` [RFC PATCH 12/25] mm/zsmalloc: convert obj_to_page() and zs_free() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 13/25] mm/zsmalloc: convert reset_page() to reset_zsdesc() Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 14/25] mm/zsmalloc: convert zs_page_{isolate,migrate,putback} to use zsdesc Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 15/25] mm/zsmalloc: convert __free_zspage() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 16/25] mm/zsmalloc: convert unlock_zspage() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 17/25] mm/zsmalloc: convert location_to_obj() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 18/25] mm/zsmalloc: convert free_handles() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 19/25] mm/zsmalloc: convert zs_compact_control and its users " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 20/25] mm/zsmalloc: convert get_zspage() to take zsdesc Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 21/25] mm/zsmalloc: convert SetZsPageMovable() to use zsdesc Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 22/25] mm/zsmalloc: convert restore_freelist() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 23/25] mm/zsmalloc: convert zs_reclaim_page() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 24/25] mm/zsmalloc: remove now unused helper functions Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 25/25] mm/zsmalloc: convert {get,set}_first_obj_offset() to use zsdesc Hyeonggon Yoo
2023-02-24 0:01 ` [RFC PATCH 00/25] mm/zsmalloc: Split zsdesc from struct page Minchan Kim
2023-02-28 0:32 ` Hyeonggon Yoo
2023-02-28 2:02 ` Sergey Senozhatsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230220132218.546369-12-42.hyeyoo@gmail.com \
--to=42.hyeyoo@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-mm@kvack.org \
--cc=minchan@kernel.org \
--cc=senozhatsky@chromium.org \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox