From: Ganesh Goudar <ganeshgr@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Cc: Ganesh Goudar <ganeshgr@linux.ibm.com>,
mahesh@linux.ibm.com, npiggin@gmail.com
Subject: [PATCH v5 1/2] powerpc/mce: Reduce the size of event arrays
Date: Thu, 28 Jan 2021 16:11:42 +0530 [thread overview]
Message-ID: <20210128104143.70668-1-ganeshgr@linux.ibm.com> (raw)
Maximum recursive depth of MCE is 4, Considering the maximum depth
allowed reduce the size of event to 10 from 100. This saves us ~19kB
of memory and has no fatal consequences.
Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com>
---
v4: This patch is a fragment of the orignal patch which is
split into two.
v5: No changes.
---
arch/powerpc/include/asm/mce.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h
index e6c27ae843dc..7d8b6679ec68 100644
--- a/arch/powerpc/include/asm/mce.h
+++ b/arch/powerpc/include/asm/mce.h
@@ -204,7 +204,7 @@ struct mce_error_info {
bool ignore_event;
};
-#define MAX_MC_EVT 100
+#define MAX_MC_EVT 10
/* Release flags for get_mce_event() */
#define MCE_EVENT_RELEASE true
--
2.26.2
next reply other threads:[~2021-01-28 10:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-28 10:41 Ganesh Goudar [this message]
2021-01-28 10:41 ` [PATCH v5 2/2] powerpc/mce: Remove per cpu variables from MCE handlers Ganesh Goudar
2021-02-03 11:40 ` [PATCH v5 1/2] powerpc/mce: Reduce the size of event arrays Michael Ellerman
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