linux-kernel - [PATCH v3 25/35] xfs: Memory allocation profiling fixups

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240212213922.783301-26-surenb@google.com>
Date: Mon, 12 Feb 2024 13:39:11 -0800
From: Suren Baghdasaryan <surenb@...gle.com>
To: akpm@...ux-foundation.org
Cc: kent.overstreet@...ux.dev, mhocko@...e.com, vbabka@...e.cz, 
	hannes@...xchg.org, roman.gushchin@...ux.dev, mgorman@...e.de, 
	dave@...olabs.net, willy@...radead.org, liam.howlett@...cle.com, 
	corbet@....net, void@...ifault.com, peterz@...radead.org, 
	juri.lelli@...hat.com, catalin.marinas@....com, will@...nel.org, 
	arnd@...db.de, tglx@...utronix.de, mingo@...hat.com, 
	dave.hansen@...ux.intel.com, x86@...nel.org, peterx@...hat.com, 
	david@...hat.com, axboe@...nel.dk, mcgrof@...nel.org, masahiroy@...nel.org, 
	nathan@...nel.org, dennis@...nel.org, tj@...nel.org, muchun.song@...ux.dev, 
	rppt@...nel.org, paulmck@...nel.org, pasha.tatashin@...een.com, 
	yosryahmed@...gle.com, yuzhao@...gle.com, dhowells@...hat.com, 
	hughd@...gle.com, andreyknvl@...il.com, keescook@...omium.org, 
	ndesaulniers@...gle.com, vvvvvv@...gle.com, gregkh@...uxfoundation.org, 
	ebiggers@...gle.com, ytcoode@...il.com, vincent.guittot@...aro.org, 
	dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com, 
	bristot@...hat.com, vschneid@...hat.com, cl@...ux.com, penberg@...nel.org, 
	iamjoonsoo.kim@....com, 42.hyeyoo@...il.com, glider@...gle.com, 
	elver@...gle.com, dvyukov@...gle.com, shakeelb@...gle.com, 
	songmuchun@...edance.com, jbaron@...mai.com, rientjes@...gle.com, 
	minchan@...gle.com, kaleshsingh@...gle.com, surenb@...gle.com, 
	kernel-team@...roid.com, linux-doc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, iommu@...ts.linux.dev, 
	linux-arch@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, 
	linux-modules@...r.kernel.org, kasan-dev@...glegroups.com, 
	cgroups@...r.kernel.org
Subject: [PATCH v3 25/35] xfs: Memory allocation profiling fixups

From: Kent Overstreet <kent.overstreet@...ux.dev>

This adds an alloc_hooks() wrapper around kmem_alloc(), so that we can
have allocations accounted to the proper callsite.

Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>
Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>
---
 fs/xfs/kmem.c |  4 ++--
 fs/xfs/kmem.h | 10 ++++------
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/fs/xfs/kmem.c b/fs/xfs/kmem.c
index c557a030acfe..9aa57a4e2478 100644
--- a/fs/xfs/kmem.c
+++ b/fs/xfs/kmem.c
@@ -8,7 +8,7 @@
 #include "xfs_trace.h"
 
 void *
-kmem_alloc(size_t size, xfs_km_flags_t flags)
+kmem_alloc_noprof(size_t size, xfs_km_flags_t flags)
 {
 	int	retries = 0;
 	gfp_t	lflags = kmem_flags_convert(flags);
@@ -17,7 +17,7 @@ kmem_alloc(size_t size, xfs_km_flags_t flags)
 	trace_kmem_alloc(size, flags, _RET_IP_);
 
 	do {
-		ptr = kmalloc(size, lflags);
+		ptr = kmalloc_noprof(size, lflags);
 		if (ptr || (flags & KM_MAYFAIL))
 			return ptr;
 		if (!(++retries % 100))
diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h
index b987dc2c6851..c4cf1dc2a7af 100644
--- a/fs/xfs/kmem.h
+++ b/fs/xfs/kmem.h
@@ -6,6 +6,7 @@
 #ifndef __XFS_SUPPORT_KMEM_H__
 #define __XFS_SUPPORT_KMEM_H__
 
+#include <linux/alloc_tag.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
@@ -56,18 +57,15 @@ kmem_flags_convert(xfs_km_flags_t flags)
 	return lflags;
 }
 
-extern void *kmem_alloc(size_t, xfs_km_flags_t);
 static inline void  kmem_free(const void *ptr)
 {
 	kvfree(ptr);
 }
 
+extern void *kmem_alloc_noprof(size_t, xfs_km_flags_t);
+#define kmem_alloc(...)			alloc_hooks(kmem_alloc_noprof(__VA_ARGS__))
 
-static inline void *
-kmem_zalloc(size_t size, xfs_km_flags_t flags)
-{
-	return kmem_alloc(size, flags | KM_ZERO);
-}
+#define kmem_zalloc(_size, _flags)	kmem_alloc((_size), (_flags) | KM_ZERO)
 
 /*
  * Zone interfaces
-- 
2.43.0.687.g38aa6559b0-goog