The patch titled Subject: mm: zswap: fix zswap_never_enabled() for CONFIG_ZSWAP==N has been added to the -mm mm-unstable branch. Its filename is mm-zswap-fix-zswap_never_enabled-for-config_zswap==n.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-zswap-fix-zswap_never_enabled-for-config_zswap==n.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Barry Song <v-songbaohua@xxxxxxxx> Subject: mm: zswap: fix zswap_never_enabled() for CONFIG_ZSWAP==N Date: Sun, 30 Jun 2024 11:22:31 +1200 If CONFIG_ZSWAP is set to N, it means zswap cannot be enabled. zswap_never_enabled() should return true. Link: https://lkml.kernel.org/r/20240629232231.42394-1-21cnbao@xxxxxxxxx Fixes: 0300e17d67c3 ("mm: zswap: add zswap_never_enabled()") Signed-off-by: Barry Song <v-songbaohua@xxxxxxxx> Reviewed-by: Chengming Zhou <chengming.zhou@xxxxxxxxx> Acked-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx> Acked-by: Chris Li <chrisl@xxxxxxxxxx> Cc: Nhat Pham <nphamcs@xxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/linux/zswap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/zswap.h~mm-zswap-fix-zswap_never_enabled-for-config_zswap==n +++ a/include/linux/zswap.h @@ -68,7 +68,7 @@ static inline bool zswap_is_enabled(void static inline bool zswap_never_enabled(void) { - return false; + return true; } #endif _ Patches currently in -mm which might be from v-songbaohua@xxxxxxxx are tools-mm-introduce-a-tool-to-assess-swap-entry-allocation-for-thp_swapout.patch mm-vmscan-drop-checking-if-_deferred_list-is-empty-before-using-ttu_sync.patch mm-zswap-fix-zswap_never_enabled-for-config_zswap==n.patch