[20/24] mm: Remove page pool members from struct page

Commit Message

Matthew Wilcox (Oracle) Nov. 30, 2022, 10:07 p.m. UTC

These are now split out into their own netmem struct.

Signed-off-by: Matthew Wilcox (Oracle) <[e-mail]>
---
 include/linux/mm_types.h | 22 ----------------------
 include/net/page_pool.h  |  4 ----
 2 files changed, 26 deletions(-)

Patch

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