The patch titled
Subject: mm-madvise-madv_dontneed_locked-fix
has been added to the -mm tree. Its filename is
mm-madvise-madv_dontneed_locked-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-madvise-madv_dontneed_locked-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-madvise-madv_dontneed_locked-fix.patch
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------------------------------------------------------
From: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: mm-madvise-madv_dontneed_locked-fix
On MiPS:
mm/madvise.c:55:7: error: 'MADV_DONTNEED_LOCKED' undeclared (first use in this function); did you mean 'MADV_DONTNEED'?
Define MADV_DONTNEED_LOCKED on archs that don't use the common mman.h
Link: https://lkml.kernel.org/r/YiY2KYyjsCaANwo0@xxxxxxxxxxx
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/alpha/include/uapi/asm/mman.h | 2 ++
arch/mips/include/uapi/asm/mman.h | 2 ++
arch/parisc/include/uapi/asm/mman.h | 2 ++
arch/xtensa/include/uapi/asm/mman.h | 2 ++
4 files changed, 8 insertions(+)
--- a/arch/alpha/include/uapi/asm/mman.h~mm-madvise-madv_dontneed_locked-fix
+++ a/arch/alpha/include/uapi/asm/mman.h
@@ -74,6 +74,8 @@
#define MADV_POPULATE_READ 22 /* populate (prefault) page tables readable */
#define MADV_POPULATE_WRITE 23 /* populate (prefault) page tables writable */
+#define MADV_DONTNEED_LOCKED 24 /* like DONTNEED, but drop locked pages too */
+
/* compatibility flags */
#define MAP_FILE 0
--- a/arch/mips/include/uapi/asm/mman.h~mm-madvise-madv_dontneed_locked-fix
+++ a/arch/mips/include/uapi/asm/mman.h
@@ -101,6 +101,8 @@
#define MADV_POPULATE_READ 22 /* populate (prefault) page tables readable */
#define MADV_POPULATE_WRITE 23 /* populate (prefault) page tables writable */
+#define MADV_DONTNEED_LOCKED 24 /* like DONTNEED, but drop locked pages too */
+
/* compatibility flags */
#define MAP_FILE 0
--- a/arch/parisc/include/uapi/asm/mman.h~mm-madvise-madv_dontneed_locked-fix
+++ a/arch/parisc/include/uapi/asm/mman.h
@@ -55,6 +55,8 @@
#define MADV_POPULATE_READ 22 /* populate (prefault) page tables readable */
#define MADV_POPULATE_WRITE 23 /* populate (prefault) page tables writable */
+#define MADV_DONTNEED_LOCKED 24 /* like DONTNEED, but drop locked pages too */
+
#define MADV_MERGEABLE 65 /* KSM may merge identical pages */
#define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */
--- a/arch/xtensa/include/uapi/asm/mman.h~mm-madvise-madv_dontneed_locked-fix
+++ a/arch/xtensa/include/uapi/asm/mman.h
@@ -109,6 +109,8 @@
#define MADV_POPULATE_READ 22 /* populate (prefault) page tables readable */
#define MADV_POPULATE_WRITE 23 /* populate (prefault) page tables writable */
+#define MADV_DONTNEED_LOCKED 24 /* like DONTNEED, but drop locked pages too */
+
/* compatibility flags */
#define MAP_FILE 0
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxx are
mm-memcg-opencode-the-inner-part-of-obj_cgroup_uncharge_pages-in-drain_obj_stock.patch
mm-page_io-fix-psi-memory-pressure-error-on-cold-swapins.patch
mm-madvise-madv_dontneed_locked.patch
mm-madvise-madv_dontneed_locked-fix.patch
