Hey Dan,
I get the following compile warnings:
mm/frontswap.c: In function ‘init_frontswap’:
mm/frontswap.c:264:5: warning: passing argument 4 of ‘debugfs_create_size_t’ from incompatible pointer type
include/linux/debugfs.h:68:16: note: expected ‘size_t *’ but argument is of type ‘long unsigned int *’
mm/frontswap.c:266:5: warning: passing argument 4 of ‘debugfs_create_size_t’ from incompatible pointer type
include/linux/debugfs.h:68:16: note: expected ‘size_t *’ but argument is of type ‘long unsigned int *’
mm/frontswap.c:268:5: warning: passing argument 4 of ‘debugfs_create_size_t’ from incompatible pointer type
include/linux/debugfs.h:68:16: note: expected ‘size_t *’ but argument is of type ‘long unsigned int *’
mm/frontswap.c:270:5: warning: passing argument 4 of ‘debugfs_create_size_t’ from incompatible pointer type
include/linux/debugfs.h:68:16: note: expected ‘size_t *’ but argument is of type ‘long unsigned int *’
size_t is platform dependent but is generally "unsigned int"
for 32-bit and "unsigned long" for 64-bit.
I think just typecasting these to size_t * would fix it.
On 09/13/2011 12:40 PM, Dan Magenheimer wrote:
> +#ifdef CONFIG_DEBUG_FS
> + struct dentry *root = debugfs_create_dir("frontswap", NULL);
> + if (root == NULL)
> + return -ENXIO;
> + debugfs_create_size_t("gets", S_IRUGO,
> + root, &frontswap_gets);
> + debugfs_create_size_t("succ_puts", S_IRUGO,
> + root, &frontswap_succ_puts);
> + debugfs_create_size_t("puts", S_IRUGO,
> + root, &frontswap_failed_puts);
> + debugfs_create_size_t("invalidates", S_IRUGO,
> + root, &frontswap_invalidates);
> +#endif
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