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smb: client: change allocation requirements in DUP_CTX_STR macro

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Currently, the macro DUP_CTX_STR allocates new_ctx->field using
GFP_ATOMIC. DUP_CTX_STR is only used in smb3_fs_context_dup(), which
is never called in an atomic context. Using GFP_ATOMIC puts unnecessary
pressure on emergency memory pools.

Change GFP_ATOMIC to GFP_KERNEL.

Signed-off-by: Fredric Cover <fredric.cover.lkernel@gmail.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Fredric Cover 2026-05-13 13:19:15 -07:00 committed by Steve French
parent d1ebfce2c1
commit dcd4313f09
1 changed files with 1 additions and 1 deletions
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2
fs/smb/client/fs_context.c
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@ -420,7 +420,7 @@ static int parse_symlink_flavor(struct fs_context *fc, char *value,
#define DUP_CTX_STR(field) \
do { \
if (ctx->field) { \
new_ctx->field = kstrdup(ctx->field, GFP_ATOMIC); \
new_ctx->field = kstrdup(ctx->field, GFP_KERNEL); \
if (new_ctx->field == NULL) { \
smb3_cleanup_fs_context_contents(new_ctx); \
return -ENOMEM; \