* [PATCH] proc: make struct struct map_files_info::len unsigned int
@ 2016-10-29 16:11 Alexey Dobriyan
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From: Alexey Dobriyan @ 2016-10-29 16:11 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel, xemul
Linux doesn't support 4GB+ filenames in /proc, so unsigned long is too much.
MOV r64, r/m64 is smaller than MOV r32, r/m32.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
fs/proc/base.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1967,7 +1967,7 @@ static int map_files_get_link(struct dentry *dentry, struct path *path)
struct map_files_info {
fmode_t mode;
- unsigned long len;
+ unsigned int len;
unsigned char name[4*sizeof(long)+2]; /* max: %lx-%lx\0 */
};
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2016-10-29 16:11 [PATCH] proc: make struct struct map_files_info::len unsigned int Alexey Dobriyan
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