linux-kernel - [RFC][PATCH v3 11/16] mm/swapfile: Have nr

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Message-ID: <20250912150855.2901211-12-eugen.hristev@linaro.org>
Date: Fri, 12 Sep 2025 18:08:50 +0300
From: Eugen Hristev <eugen.hristev@...aro.org>
To: linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	tglx@...utronix.de,
	andersson@...nel.org,
	pmladek@...e.com,
	rdunlap@...radead.org,
	corbet@....net,
	david@...hat.com,
	mhocko@...e.com
Cc: tudor.ambarus@...aro.org,
	mukesh.ojha@....qualcomm.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-hardening@...r.kernel.org,
	jonechou@...gle.com,
	rostedt@...dmis.org,
	linux-doc@...r.kernel.org,
	devicetree@...r.kernel.org,
	Eugen Hristev <eugen.hristev@...aro.org>
Subject: [RFC][PATCH v3 11/16] mm/swapfile: Have nr_swapfiles as non-static

nr_swapfiles is required for debugging the kernel, and needs to be
accessible for kmemdump into vmcoreinfo.

Signed-off-by: Eugen Hristev <eugen.hristev@...aro.org>
---
 mm/swapfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index a7ffabbe65ef..2ef51da2c642 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -63,7 +63,7 @@ static struct swap_cluster_info *lock_cluster(struct swap_info_struct *si,
 static inline void unlock_cluster(struct swap_cluster_info *ci);
 
 static DEFINE_SPINLOCK(swap_lock);
-static unsigned int nr_swapfiles;
+unsigned int nr_swapfiles;
 atomic_long_t nr_swap_pages;
 /*
  * Some modules use swappable objects and may try to swap them out under
-- 
2.43.0