+ mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     Subject: mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix
has been added to the -mm tree.  Its filename is
     mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix

avoid 80-column tricks

Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx>
Cc: Peter Collingbourne <pcc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/mprotect.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/mm/mprotect.c~mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix
+++ a/mm/mprotect.c
@@ -47,8 +47,9 @@ static unsigned long change_pte_range(st
 	bool prot_numa = cp_flags & MM_CP_PROT_NUMA;
 	bool uffd_wp = cp_flags & MM_CP_UFFD_WP;
 	bool uffd_wp_resolve = cp_flags & MM_CP_UFFD_WP_RESOLVE;
-	bool anon_writable =
-		vma_is_anonymous(vma) && (vma->vm_flags & VM_WRITE);
+	bool anon_writable;
+
+	anon_writable = vma_is_anonymous(vma) && (vma->vm_flags & VM_WRITE);
 
 	/*
 	 * Can be called with only the mmap_lock for reading by
_

Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are

mm.patch
mm-gup-pack-has_pinned-in-mmf_has_pinned-checkpatch-fixes.patch
mm-memcg-optimize-user-context-object-stock-access-checkpatch-fixes.patch
mm-improve-mprotectrw-efficiency-on-pages-referenced-once-fix.patch
nommu-remove-__gfp_highmem-in-vmalloc-vzalloc-checkpatch-fixes.patch
mm-madvise-introduce-madv_populate_readwrite-to-prefault-page-tables-checkpatch-fixes.patch
linux-next-git-rejects.patch
kernel-forkc-export-kernel_thread-to-modules.patch




[Index of Archives]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux