From: Helge Deller <deller@gmx.de>
To: linux-parisc@vger.kernel.org,
James Bottomley <James.Bottomley@HansenPartnership.com>,
John David Anglin <dave.anglin@bell.net>
Subject: [PATCH] parisc: Add MADV_HWPOISON and MADV_SOFT_OFFLINE
Date: Fri, 4 Aug 2017 20:07:41 +0200 [thread overview]
Message-ID: <20170804180741.GA29755@p100.box> (raw)
Add the missing MADV_HWPOISON (100) and MADV_SOFT_OFFLINE (101) defines which
are needed for an upcoming patch which adds page-deallocation for parisc.
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index 5979745..2e7b8c2 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -60,6 +60,9 @@
overrides the coredump filter bits */
#define MADV_DODUMP 70 /* Clear the MADV_NODUMP flag */
+#define MADV_HWPOISON 100 /* poison a page for testing */
+#define MADV_SOFT_OFFLINE 101 /* soft offline page for testing */
+
/* compatibility flags */
#define MAP_FILE 0
#define MAP_VARIABLE 0
diff --git a/tools/arch/parisc/include/uapi/asm/mman.h b/tools/arch/parisc/include/uapi/asm/mman.h
index 03d8d5b..286c0bd 100644
--- a/tools/arch/parisc/include/uapi/asm/mman.h
+++ b/tools/arch/parisc/include/uapi/asm/mman.h
@@ -36,9 +36,7 @@
#define PROT_READ 0x1
#define PROT_SEM 0x8
#define PROT_WRITE 0x2
-/* MADV_HWPOISON is undefined on parisc, fix it for perf */
#define MADV_HWPOISON 100
-/* MADV_SOFT_OFFLINE is undefined on parisc, fix it for perf */
#define MADV_SOFT_OFFLINE 101
/* MAP_32BIT is undefined on parisc, fix it for perf */
#define MAP_32BIT 0
reply other threads:[~2017-08-04 18:07 UTC|newest]
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