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authorAndy Shevchenko <[email protected]>2024-10-08 22:13:29 +0300
committerAndrew Morton <[email protected]>2024-10-17 00:28:08 -0700
commita5e8eb25135a48d400e5a695ba9329bc632c3bb4 (patch)
tree377f29b11c22081f9635ea98010a681d02dbc70d
parent3f4e74cb3f2d06c3128e5b22c603a0dd4ab6f540 (diff)
mm: remove unused stub for can_swapin_thp()
When can_swapin_thp() is unused, it prevents kernel builds with clang, `make W=1` and CONFIG_WERROR=y: mm/memory.c:4184:20: error: unused function 'can_swapin_thp' [-Werror,-Wunused-function] Fix this by removing the unused stub. See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static inline functions for W=1 build"). Link: https://lkml.kernel.org/r/[email protected] Fixes: 242d12c98174 ("mm: support large folios swap-in for sync io devices") Signed-off-by: Andy Shevchenko <[email protected]> Acked-by: Barry Song <[email protected]> Cc: Bill Wendling <[email protected]> Cc: Chuanhua Han <[email protected]> Cc: Justin Stitt <[email protected]> Cc: Nathan Chancellor <[email protected]> Cc: Nick Desaulniers <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
-rw-r--r--mm/memory.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 2366578015ad..c0869a962ddd 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4181,11 +4181,6 @@ fallback:
return __alloc_swap_folio(vmf);
}
#else /* !CONFIG_TRANSPARENT_HUGEPAGE */
-static inline bool can_swapin_thp(struct vm_fault *vmf, pte_t *ptep, int nr_pages)
-{
- return false;
-}
-
static struct folio *alloc_swap_folio(struct vm_fault *vmf)
{
return __alloc_swap_folio(vmf);