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Howlett" , Mike Rapoport , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Ying Huang , Alistair Popple , Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , Sebastian Andrzej Siewior , Clark Williams , Steven Rostedt Cc: "Harry Yoo (Oracle)" , Gregory Price , Johannes Weiner , Alexei Starovoitov , Matthew Wilcox , Hao Ge , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, derkling@google.com, reijiw@google.com, Brendan Jackman , Yosry Ahmed Content-Type: text/plain; charset="utf-8" From: "Vlastimil Babka (SUSE)" All users of the flag are converted to SLAB_ALLOC_NO_RECURSE or ALLOC_NO_CODETAG (from __GFP_NO_CODETAG which reused the NO_OBJ_EXT bit). Free up the flag bit. Signed-off-by: Vlastimil Babka (SUSE) [Rebased onto __GFP_NO_CODETAG removal] Signed-off-by: Brendan Jackman --- include/linux/gfp_types.h | 7 ------- include/trace/events/mmflags.h | 10 +--------- tools/include/linux/gfp_types.h | 7 ------- 3 files changed, 1 insertion(+), 23 deletions(-) diff --git a/include/linux/gfp_types.h b/include/linux/gfp_types.h index 463b551d12d99..190191411009f 100644 --- a/include/linux/gfp_types.h +++ b/include/linux/gfp_types.h @@ -55,7 +55,6 @@ enum { #ifdef CONFIG_LOCKDEP ___GFP_NOLOCKDEP_BIT, #endif - ___GFP_NO_OBJ_EXT_BIT, ___GFP_LAST_BIT }; @@ -96,7 +95,6 @@ enum { #else #define ___GFP_NOLOCKDEP 0 #endif -#define ___GFP_NO_OBJ_EXT BIT(___GFP_NO_OBJ_EXT_BIT) /* * Physical address zone modifiers (see linux/mmzone.h - low four bits) @@ -138,17 +136,12 @@ enum { * * %__GFP_ACCOUNT causes the allocation to be accounted to the active * cgroup context. - * - * %__GFP_NO_OBJ_EXT causes slab allocation to have no object extension. - * mark_obj_codetag_empty() should be called upon freeing for objects allocated - * with this flag to indicate that their NULL tags are expected and normal. */ #define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) #define __GFP_HARDWALL ((__force gfp_t)___GFP_HARDWALL) #define __GFP_THISNODE ((__force gfp_t)___GFP_THISNODE) #define __GFP_ACCOUNT ((__force gfp_t)___GFP_ACCOUNT) -#define __GFP_NO_OBJ_EXT ((__force gfp_t)___GFP_NO_OBJ_EXT) /** * DOC: Watermark modifiers diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h index a6e5a44c9b429..c1a05ff0feab0 100644 --- a/include/trace/events/mmflags.h +++ b/include/trace/events/mmflags.h @@ -54,18 +54,10 @@ # define TRACE_GFP_FLAGS_LOCKDEP #endif -#ifdef CONFIG_SLAB_OBJ_EXT -# define TRACE_GFP_FLAGS_SLAB \ - TRACE_GFP_EM(NO_OBJ_EXT) -#else -# define TRACE_GFP_FLAGS_SLAB -#endif - #define TRACE_GFP_FLAGS \ TRACE_GFP_FLAGS_GENERAL \ TRACE_GFP_FLAGS_KASAN \ - TRACE_GFP_FLAGS_LOCKDEP \ - TRACE_GFP_FLAGS_SLAB + TRACE_GFP_FLAGS_LOCKDEP #undef TRACE_GFP_EM #define TRACE_GFP_EM(a) TRACE_DEFINE_ENUM(___GFP_##a##_BIT); diff --git a/tools/include/linux/gfp_types.h b/tools/include/linux/gfp_types.h index 6c75df30a281d..a93b8bd200b76 100644 --- a/tools/include/linux/gfp_types.h +++ b/tools/include/linux/gfp_types.h @@ -55,7 +55,6 @@ enum { #ifdef CONFIG_LOCKDEP ___GFP_NOLOCKDEP_BIT, #endif - ___GFP_NO_OBJ_EXT_BIT, ___GFP_LAST_BIT }; @@ -96,7 +95,6 @@ enum { #else #define ___GFP_NOLOCKDEP 0 #endif -#define ___GFP_NO_OBJ_EXT BIT(___GFP_NO_OBJ_EXT_BIT) /* * Physical address zone modifiers (see linux/mmzone.h - low four bits) @@ -137,17 +135,12 @@ enum { * node with no fallbacks or placement policy enforcements. * * %__GFP_ACCOUNT causes the allocation to be accounted to kmemcg. - * - * %__GFP_NO_OBJ_EXT causes slab allocation to have no object extension. - * mark_obj_codetag_empty() should be called upon freeing for objects allocated - * with this flag to indicate that their NULL tags are expected and normal. */ #define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) #define __GFP_HARDWALL ((__force gfp_t)___GFP_HARDWALL) #define __GFP_THISNODE ((__force gfp_t)___GFP_THISNODE) #define __GFP_ACCOUNT ((__force gfp_t)___GFP_ACCOUNT) -#define __GFP_NO_OBJ_EXT ((__force gfp_t)___GFP_NO_OBJ_EXT) /** * DOC: Watermark modifiers -- 2.54.0