linux-kernel - [tip: x86/cpu] <linux/sizes.h>: Cover all possible x86 CPU cache sizes

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Message-ID: <174108165299.14745.5733415533323964838.tip-bot2@tip-bot2>
Date: Tue, 04 Mar 2025 09:47:32 -0000
From: "tip-bot2 for Ahmed S. Darwish" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Ahmed S. Darwish" <darwi@...utronix.de>, Ingo Molnar <mingo@...nel.org>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject:
 [tip: x86/cpu] <linux/sizes.h>: Cover all possible x86 CPU cache sizes

The following commit has been merged into the x86/cpu branch of tip:

Commit-ID:     0d22030c49bfb2bd86ffa55c474f5f23b55e0533
Gitweb:        https://git.kernel.org/tip/0d22030c49bfb2bd86ffa55c474f5f23b55e0533
Author:        Ahmed S. Darwish <darwi@...utronix.de>
AuthorDate:    Tue, 04 Mar 2025 09:51:41 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 04 Mar 2025 10:34:16 +01:00

<linux/sizes.h>: Cover all possible x86 CPU cache sizes

Add size macros for 24/192/384 Kilobytes and 3/6/12/18/24 Megabytes.

With that, the x86 subsystem can avoid locally defining its own macros
for CPU cache sizes.

Signed-off-by: Ahmed S. Darwish <darwi@...utronix.de>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: "H. Peter Anvin" <hpa@...or.com>
Link: https://lore.kernel.org/r/20250304085152.51092-31-darwi@linutronix.de
---
 include/linux/sizes.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/sizes.h b/include/linux/sizes.h
index c3a00b9..4903949 100644
--- a/include/linux/sizes.h
+++ b/include/linux/sizes.h
@@ -23,17 +23,25 @@
 #define SZ_4K				0x00001000
 #define SZ_8K				0x00002000
 #define SZ_16K				0x00004000
+#define SZ_24K				0x00006000
 #define SZ_32K				0x00008000
 #define SZ_64K				0x00010000
 #define SZ_128K				0x00020000
+#define SZ_192K				0x00030000
 #define SZ_256K				0x00040000
+#define SZ_384K				0x00060000
 #define SZ_512K				0x00080000

 #define SZ_1M				0x00100000
 #define SZ_2M				0x00200000
+#define SZ_3M				0x00300000
 #define SZ_4M				0x00400000
+#define SZ_6M				0x00600000
 #define SZ_8M				0x00800000
+#define SZ_12M				0x00c00000
 #define SZ_16M				0x01000000
+#define SZ_18M				0x01200000
+#define SZ_24M				0x01800000
 #define SZ_32M				0x02000000
 #define SZ_64M				0x04000000
 #define SZ_128M				0x08000000