+ mm-small-cleanup-of-install_page.patch added to -mm tree

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

 



The patch titled

     mm: small cleanup of install_page()

has been added to the -mm tree.  Its filename is

     mm-small-cleanup-of-install_page.patch

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

------------------------------------------------------
Subject: mm: small cleanup of install_page()
From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>


Smallish cleanup to install_page(), could save a memory read (haven't checked
the asm output) and sure looks nicer.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---

 mm/fremap.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN mm/fremap.c~mm-small-cleanup-of-install_page mm/fremap.c
--- a/mm/fremap.c~mm-small-cleanup-of-install_page
+++ a/mm/fremap.c
@@ -79,9 +79,9 @@ int install_page(struct mm_struct *mm, s
 		inc_mm_counter(mm, file_rss);
 
 	flush_icache_page(vma, page);
-	set_pte_at(mm, addr, pte, mk_pte(page, prot));
+	pte_val = mk_pte(page, prot);
+	set_pte_at(mm, addr, pte, pte_val);
 	page_add_file_rmap(page);
-	pte_val = *pte;
 	update_mmu_cache(vma, addr, pte_val);
 	lazy_mmu_prot_update(pte_val);
 	err = 0;
_

Patches currently in -mm which might be from a.p.zijlstra@xxxxxxxxx are

buglet-in-radix_tree_tag_set.patch
add-page_mkwrite-vm_operations-method-fix.patch
mm-tracking-shared-dirty-pages.patch
mm-balance-dirty-pages.patch
mm-msync-cleanup.patch
mm-optimize-the-new-mprotect-code-a-bit.patch
mm-small-cleanup-of-install_page.patch
mm-remove-some-update_mmu_cache-calls.patch

-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

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

  Powered by Linux