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From: Pavel Begunkov <asml.silence@gmail.com>
To: io-uring@vger.kernel.org
Cc: asml.silence@gmail.com, dw@davidwei.uk
Subject: [PATCH 1/2] io_uring: export io_[un]account_mem
Date: Wed, 16 Jul 2025 22:04:08 +0100	[thread overview]
Message-ID: <9a61e54bd89289b39570ae02fe620e12487439e4.1752699568.git.asml.silence@gmail.com> (raw)
In-Reply-To: <cover.1752699568.git.asml.silence@gmail.com>

Export pinned memory accounting helpers, they'll be used by zcrx
shortly.

Cc: stable@vger.kernel.org
Fixes: cf96310c5f9a0 ("io_uring/zcrx: add io_zcrx_area")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/rsrc.c | 4 ++--
 io_uring/rsrc.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 043018bc9b9c..f75f5e43fa4a 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -55,7 +55,7 @@ int __io_account_mem(struct user_struct *user, unsigned long nr_pages)
 	return 0;
 }
 
-static void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
+void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
 {
 	if (ctx->user)
 		__io_unaccount_mem(ctx->user, nr_pages);
@@ -64,7 +64,7 @@ static void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
 		atomic64_sub(nr_pages, &ctx->mm_account->pinned_vm);
 }
 
-static int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
+int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
 {
 	int ret;
 
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h
index 25e7e998dcfd..a3ca6ba66596 100644
--- a/io_uring/rsrc.h
+++ b/io_uring/rsrc.h
@@ -120,6 +120,8 @@ int io_files_update(struct io_kiocb *req, unsigned int issue_flags);
 int io_files_update_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
 
 int __io_account_mem(struct user_struct *user, unsigned long nr_pages);
+int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages);
+void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages);
 
 static inline void __io_unaccount_mem(struct user_struct *user,
 				      unsigned long nr_pages)
-- 
2.49.0


  reply	other threads:[~2025-07-16 21:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-16 21:04 [PATCH 0/2] account zcrx area pinned memory Pavel Begunkov
2025-07-16 21:04 ` Pavel Begunkov [this message]
2025-07-16 21:04 ` [PATCH 2/2] io_uring/zcrx: account area memory Pavel Begunkov
2025-07-16 21:05 ` [PATCH 0/2] account zcrx area pinned memory Pavel Begunkov
2025-07-16 22:23 ` Jens Axboe

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