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smb: client: reduce stack usage in cifs_demultiplex_thread()

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Clang warns about exceeded stack frame size

  fs/smb/client/connect.c:1109:1: warning: stack frame size (1048)
  exceeds limit (1024) in 'cifs_demultiplex_thread'
  [-Wframe-larger-than]

It turns out that clean_demultiplex_info() got inlined into
cifs_demultiplex_thread(), so mark it as noinline_for_stack to save
some stack space.

Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Paulo Alcantara 2023-08-17 12:34:11 -03:00 committed by Steve French
parent 69a4e06c0e
commit 946ad1b8b1
1 changed files with 2 additions and 2 deletions
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4
fs/smb/client/connect.c
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@ -911,8 +911,8 @@ cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required)
return 0;
}
static void clean_demultiplex_info(struct TCP_Server_Info *server)
static noinline_for_stack void
clean_demultiplex_info(struct TCP_Server_Info *server)
{
int length;