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isofs: replace __get_free_page() with kmalloc()

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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@kernel.org>
Link: https://patch.msgid.link/20260523-b4-fs-v1-11-275e36a83f0e@kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
This commit is contained in:
Mike Rapoport (Microsoft) 2026-05-23 20:54:23 +03:00 committed by Christian Brauner
parent 2f6702dc6f
commit 263873f40e
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GPG Key ID: 91C61BC06578DCA2
1 changed files with 3 additions and 2 deletions
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5
fs/isofs/dir.c
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@ -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;
}