diff mbox series

[net-next,v3,03/10] page_pool: Add a macro for incrementing stats

Message ID 1643764336-63864-4-git-send-email-jdamato@fastly.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series page_pool: Add page_pool stat counters | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 2 this patch: 2
netdev/cc_maintainers success CCed 5 of 5 maintainers
netdev/build_clang success Errors and warnings before: 18 this patch: 18
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 7 this patch: 7
netdev/checkpatch warning CHECK: Macro argument '__stat' may be better as '(__stat)' to avoid precedence issues WARNING: line length of 81 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Joe Damato Feb. 2, 2022, 1:12 a.m. UTC
Add simple wrapper macro for incrementing page pool stats. This wrapper is
intended to be used in softirq context.

Signed-off-by: Joe Damato <jdamato@fastly.com>
---
 net/core/page_pool.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/net/core/page_pool.c b/net/core/page_pool.c
index 7e33590..b1a2599 100644
--- a/net/core/page_pool.c
+++ b/net/core/page_pool.c
@@ -29,6 +29,15 @@ 
 #ifdef CONFIG_PAGE_POOL_STATS
 DEFINE_PER_CPU_ALIGNED(struct page_pool_stats, page_pool_stats);
 EXPORT_PER_CPU_SYMBOL(page_pool_stats);
+
+#define page_pool_stat_alloc_inc(__stat)					\
+	do {									\
+		struct page_pool_stats *pps = this_cpu_ptr(&page_pool_stats);	\
+		pps->alloc.__stat++;						\
+	} while (0)
+
+#else
+#define page_pool_stat_alloc_inc(stat)
 #endif
 
 static int page_pool_init(struct page_pool *pool,