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io_uring: export io_[un]account_mem

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JIRA: https://issues.redhat.com/browse/RHEL-140845

commit 11fbada7184f9e19bcdfa2f6b15828a78b8897a6
Author: Pavel Begunkov <asml.silence@gmail.com>
Date:   Wed Jul 16 22:04:08 2025 +0100

    io_uring: export io_[un]account_mem
    
    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>
    Link: https://lore.kernel.org/r/9a61e54bd89289b39570ae02fe620e12487439e4.1752699568.git.asml.silence@gmail.com
    Signed-off-by: Jens Axboe <axboe@kernel.dk>

Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
This commit is contained in:
Jeff Moyer
2026-01-16 06:11:53 -05:00
parent 533f991618
commit f2337d9b12
2 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
io_uring/rsrc.c
+2 -2
View File
@@ -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;
io_uring/rsrc.h
+2
View File
@@ -144,6 +144,8 @@ 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)