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mm/shmem.c: fix unused shmem_parse_huge() function warning 

When CONFIG_SYSFS is disabled but CONFIG_TMPFS is enabled, we get a
warning about shmem_parse_huge() never being called:

  mm/shmem.c:417:12: error: unused function 'shmem_parse_huge' [-Werror,-Wunused-function]
  static int shmem_parse_huge(const char *str)

Change the #ifdef so we no longer build this function in that configuration.

Link: http://lkml.kernel.org/r/20190712091141.673355-1-arnd@arndb.de
Fixes: 144df3b288c4 ("vfs: Convert ramfs, shmem, tmpfs, devtmpfs, rootfs to use the new mount API")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Hugh Dickins <hughd@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Vineeth Remanan Pillai <vpillai@digitalocean.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
alistair/sunxi64-5.4-dsi
Arnd Bergmann 2019-07-16 16:25:51 -07:00 committed by Linus Torvalds
parent bb9a374dfa
commit e5f2249ab8
1 changed files with 3 additions and 1 deletions
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4
mm/shmem.c
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@ -400,7 +400,7 @@ static bool shmem_confirm_swap(struct address_space *mapping,
static int shmem_huge __read_mostly;
#if defined(CONFIG_SYSFS) || defined(CONFIG_TMPFS)
#if defined(CONFIG_SYSFS)
static int shmem_parse_huge(const char *str)
{
if (!strcmp(str, "never"))
@ -417,7 +417,9 @@ static int shmem_parse_huge(const char *str)
return SHMEM_HUGE_FORCE;
return -EINVAL;
}
#endif
#if defined(CONFIG_SYSFS) || defined(CONFIG_TMPFS)
static const char *shmem_format_huge(int huge)
{
switch (huge) {