[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-mm
Subject: [PATCH 20/24] mm: Remove page pool members from struct page
From: "Matthew Wilcox (Oracle)" <willy () infradead ! org>
Date: 2022-11-30 22:07:59
Message-ID: 20221130220803.3657490-21-willy () infradead ! org
[Download RAW message or body]
These are now split out into their own netmem struct.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
include/linux/mm_types.h | 22 ----------------------
include/net/page_pool.h | 4 ----
2 files changed, 26 deletions(-)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 1ad1ef3a1288..6999af135f1d 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -113,28 +113,6 @@ struct page {
*/
unsigned long private;
};
- struct { /* page_pool used by netstack */
- /**
- * @pp_magic: magic value to avoid recycling non
- * page_pool allocated pages.
- */
- unsigned long pp_magic;
- struct page_pool *pp;
- unsigned long _pp_mapping_pad;
- unsigned long dma_addr;
- union {
- /**
- * dma_addr_upper: might require a 64-bit
- * value on 32-bit architectures.
- */
- unsigned long dma_addr_upper;
- /**
- * For frag page support, not supported in
- * 32-bit architectures with 64-bit DMA.
- */
- atomic_long_t pp_frag_count;
- };
- };
struct { /* Tail pages of compound page */
unsigned long compound_head; /* Bit zero is set */
diff --git a/include/net/page_pool.h b/include/net/page_pool.h
index ce1049a03f2d..222eedc39140 100644
--- a/include/net/page_pool.h
+++ b/include/net/page_pool.h
@@ -81,11 +81,7 @@ struct netmem {
static_assert(offsetof(struct page, pg) == offsetof(struct netmem, nm))
NETMEM_MATCH(flags, flags);
NETMEM_MATCH(lru, pp_magic);
-NETMEM_MATCH(pp, pp);
NETMEM_MATCH(mapping, _pp_mapping_pad);
-NETMEM_MATCH(dma_addr, dma_addr);
-NETMEM_MATCH(dma_addr_upper, dma_addr_upper);
-NETMEM_MATCH(pp_frag_count, pp_frag_count);
NETMEM_MATCH(_mapcount, _mapcount);
NETMEM_MATCH(_refcount, _refcount);
#undef NETMEM_MATCH
--
2.35.1
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic