Revision 64b4c411a6c7a5f27555bfc2d6310b87bde3db67 authored by Andrew Morton on 21 October 2022, 04:19:22 UTC, committed by Andrew Morton on 28 October 2022, 20:37:22 UTC
These percpu counters are referenced in free_ipcs->freeque, so destroy them later. Fixes: 72d1e611082e ("ipc/msg: mitigate the lock contention with percpu counter") Reported-by: syzbot+96e659d35b9d6b541152@syzkaller.appspotmail.com Tested-by: Mark Rutland <mark.rutland@arm.com> Cc: Jiebin Sun <jiebin.sun@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
1 parent 27d676a
ramfs.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_RAMFS_H
#define _LINUX_RAMFS_H
#include <linux/fs_parser.h> // bleh...
struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
umode_t mode, dev_t dev);
extern int ramfs_init_fs_context(struct fs_context *fc);
#ifdef CONFIG_MMU
static inline int
ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
{
return 0;
}
#else
extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
#endif
extern const struct fs_parameter_spec ramfs_fs_parameters[];
extern const struct file_operations ramfs_file_operations;
extern const struct vm_operations_struct generic_file_vm_ops;
#endif
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