The patch titled Subject: mm/zsmalloc.c: fix a -Wunused-function warning has been added to the -mm tree. Its filename is mm-zsmalloc-fix-a-wunused-function-warning.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-zsmalloc-fix-a-wunused-function-warning.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-zsmalloc-fix-a-wunused-function-warning.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Qian Cai <cai@xxxxxx> Subject: mm/zsmalloc.c: fix a -Wunused-function warning set_zspage_inuse() was introduced in the commit 4f42047bbde0 ("zsmalloc: use accessor") but all the users of it were removed later by the commits, bdb0af7ca8f0 ("zsmalloc: factor page chain functionality out") 3783689a1aa8 ("zsmalloc: introduce zspage structure") so the function can be safely removed now. Link: http://lkml.kernel.org/r/1568658408-19374-1-git-send-email-cai@xxxxxx Signed-off-by: Qian Cai <cai@xxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Minchan Kim <minchan@xxxxxxxxxx> Cc: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/zsmalloc.c | 4 ---- 1 file changed, 4 deletions(-) --- a/mm/zsmalloc.c~mm-zsmalloc-fix-a-wunused-function-warning +++ a/mm/zsmalloc.c @@ -477,10 +477,6 @@ static inline int get_zspage_inuse(struc return zspage->inuse; } -static inline void set_zspage_inuse(struct zspage *zspage, int val) -{ - zspage->inuse = val; -} static inline void mod_zspage_inuse(struct zspage *zspage, int val) { _ Patches currently in -mm which might be from cai@xxxxxx are mm-slub-fix-wunused-function-compiler-warnings.patch mm-kmemleak-record-the-current-memory-pool-size.patch mm-kmemleak-increase-the-max-mem-pool-to-1m.patch mm-silence-woverride-init-initializer-overrides.patch mm-zsmalloc-fix-a-wunused-function-warning.patch writeback-fix-wstringop-truncation-warnings.patch