Re: [PATCH 11/17] isofs: replace __get_free_page() with kmalloc()

[Jan Kara]

On Sat 23-05-26 20:54:23, Mike Rapoport (Microsoft) wrote:
> isofs_readdir() allocates a temporary buffer with __get_free_page().
> 
> kmalloc() is a better API for such use and it also provides better
> scalability and more debugging possibilities.
> 
> Replace use of __get_free_page() with kmalloc().
> 
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>

Thanks. Added to my tree.

								Honza

> ---
>  fs/isofs/dir.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
> index 2fd9948d606e..6d220eab531e 100644
> --- a/fs/isofs/dir.c
> +++ b/fs/isofs/dir.c
> @@ -13,6 +13,7 @@
>   */
>  #include <linux/gfp.h>
>  #include <linux/filelock.h>
> +#include <linux/slab.h>
>  #include "isofs.h"
>  
>  int isofs_name_translate(struct iso_directory_record *de, char *new, struct inode *inode)
> @@ -255,7 +256,7 @@ static int isofs_readdir(struct file *file, struct dir_context *ctx)
>  	struct iso_directory_record *tmpde;
>  	struct inode *inode = file_inode(file);
>  
> -	tmpname = (char *)__get_free_page(GFP_KERNEL);
> +	tmpname = kmalloc(PAGE_SIZE, GFP_KERNEL);
>  	if (tmpname == NULL)
>  		return -ENOMEM;
>  
> @@ -263,7 +264,7 @@ static int isofs_readdir(struct file *file, struct dir_context *ctx)
>  
>  	result = do_isofs_readdir(inode, file, ctx, tmpname, tmpde);
>  
> -	free_page((unsigned long) tmpname);
> +	kfree(tmpname);
>  	return result;
>  }
>  
> 
> -- 
> 2.53.0
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR