[to-be-updated] mm-gup-rename-nr-as-nr_pinned-in-get_user_pages_fast.patch removed from -mm tree

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The patch titled
     Subject: mm/gup: rename nr to nr_pinned in get_user_pages_fast()
has been removed from the -mm tree.  Its filename was
     mm-gup-rename-nr-as-nr_pinned-in-get_user_pages_fast.patch

This patch was dropped because an updated version will be merged

------------------------------------------------------
From: Pingfan Liu <kernelfans@xxxxxxxxx>
Subject: mm/gup: rename nr to nr_pinned in get_user_pages_fast()

Patch series "mm/gup: fix omission of check on FOLL_LONGTERM in gup fast
path", v4.


This patch (of 3):

To better reflect the held state of pages and make code self-explaining,
rename nr to nr_pinned.

Link: http://lkml.kernel.org/r/1560422702-11403-2-git-send-email-kernelfans@xxxxxxxxx
Signed-off-by: Pingfan Liu <kernelfans@xxxxxxxxx>
Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx>
Cc: Keith Busch <keith.busch@xxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/gup.c |   20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

--- a/mm/gup.c~mm-gup-rename-nr-as-nr_pinned-in-get_user_pages_fast
+++ a/mm/gup.c
@@ -2217,7 +2217,7 @@ int get_user_pages_fast(unsigned long st
 			unsigned int gup_flags, struct page **pages)
 {
 	unsigned long addr, len, end;
-	int nr = 0, ret = 0;
+	int nr_pinned = 0, ret = 0;
 
 	start &= PAGE_MASK;
 	addr = start;
@@ -2232,25 +2232,25 @@ int get_user_pages_fast(unsigned long st
 
 	if (gup_fast_permitted(start, nr_pages)) {
 		local_irq_disable();
-		gup_pgd_range(addr, end, gup_flags, pages, &nr);
+		gup_pgd_range(addr, end, gup_flags, pages, &nr_pinned);
 		local_irq_enable();
-		ret = nr;
+		ret = nr_pinned;
 	}
 
-	if (nr < nr_pages) {
+	if (nr_pinned < nr_pages) {
 		/* Try to get the remaining pages with get_user_pages */
-		start += nr << PAGE_SHIFT;
-		pages += nr;
+		start += nr_pinned << PAGE_SHIFT;
+		pages += nr_pinned;
 
-		ret = __gup_longterm_unlocked(start, nr_pages - nr,
+		ret = __gup_longterm_unlocked(start, nr_pages - nr_pinned,
 					      gup_flags, pages);
 
 		/* Have to be a bit careful with return values */
-		if (nr > 0) {
+		if (nr_pinned > 0) {
 			if (ret < 0)
-				ret = nr;
+				ret = nr_pinned;
 			else
-				ret += nr;
+				ret += nr_pinned;
 		}
 	}
 
_

Patches currently in -mm which might be from kernelfans@xxxxxxxxx are

mm-gup-fix-omission-of-check-on-foll_longterm-in-gup-fast-path.patch
mm-gup_benchemark-add-longterm_benchmark-test-in-gup-fast-path.patch




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