github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-27 09:36:22 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

configfs: replace __get_free_pages() with kzalloc()

Browse Source 
configfs allocates staging buffers __get_free_pages().

kmalloc() is a better API for such use and it also provides better
scalability and more debugging possibilities.

Replace use of __get_free_pages() with kzalloc().

Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Link: https://patch.msgid.link/20260523-b4-fs-v1-15-275e36a83f0e@kernel.org
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Mike Rapoport (Microsoft) 2026-05-23 20:54:27 +03:00 committed by Christian Brauner
parent aca4fd395d
commit 1b27d11b17
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
fs/configfs/file.c
View File

@ -59,7 +59,7 @@ static int fill_read_buffer(struct file *file, struct configfs_buffer *buffer)
ssize_t count = -ENOENT;
if (!buffer->page)
buffer->page = (char *) get_zeroed_page(GFP_KERNEL);
buffer->page = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!buffer->page)
return -ENOMEM;
@ -184,7 +184,7 @@ static int fill_write_buffer(struct configfs_buffer *buffer,
int copied;
if (!buffer->page)
buffer->page = (char *)__get_free_pages(GFP_KERNEL, 0);
buffer->page = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!buffer->page)
return -ENOMEM;
@ -381,8 +381,7 @@ static int configfs_release(struct inode *inode, struct file *filp)
struct configfs_buffer *buffer = filp->private_data;
module_put(buffer->owner);
if (buffer->page)
free_page((unsigned long)buffer->page);
kfree(buffer->page);
mutex_destroy(&buffer->mutex);
kfree(buffer);
return 0;