The patch titled
Subject: dmapool: consolidate page initialization
has been added to the -mm mm-unstable branch. Its filename is
dmapool-consolidate-page-initialization.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/dmapool-consolidate-page-initialization.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: Keith Busch <kbusch@xxxxxxxxxx>
Subject: dmapool: consolidate page initialization
Date: Thu, 26 Jan 2023 13:51:21 -0800
Various fields of the dma pool are set in different places. Move it all
to one function.
Link: https://lkml.kernel.org/r/20230126215125.4069751-9-kbusch@xxxxxxxx
Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Tony Battersby <tonyb@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/dmapool.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
--- a/mm/dmapool.c~dmapool-consolidate-page-initialization
+++ a/mm/dmapool.c
@@ -274,6 +274,9 @@ static void pool_initialise_page(struct
unsigned int offset = 0;
unsigned int next_boundary = pool->boundary;
+ pool_init_page(pool, page);
+ page->in_use = 0;
+ page->offset = 0;
do {
unsigned int next = offset + pool->size;
if (unlikely((next + pool->size) >= next_boundary)) {
@@ -300,11 +303,7 @@ static struct dma_page *pool_alloc_page(
return NULL;
}
- pool_init_page(pool, page);
pool_initialise_page(pool, page);
- page->in_use = 0;
- page->offset = 0;
-
return page;
}
_
Patches currently in -mm which might be from kbusch@xxxxxxxxxx are
dmapool-add-alloc-free-performance-test.patch
dmapool-move-debug-code-to-own-functions.patch
dmapool-rearrange-page-alloc-failure-handling.patch
dmapool-consolidate-page-initialization.patch
dmapool-simplify-freeing.patch
dmapool-dont-memset-on-free-twice.patch
dmapool-link-blocks-across-pages.patch
dmapool-create-destroy-cleanup.patch
