The patch titled
Subject: mm-fadvise-discard-partial-page-if-endbyte-is-also-eof-fix
has been removed from the -mm tree. Its filename was
mm-fadvise-discard-partial-page-if-endbyte-is-also-eof-fix.patch
This patch was dropped because it was folded into mm-fadvise-discard-partial-page-if-endbyte-is-also-eof.patch
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-fadvise-discard-partial-page-if-endbyte-is-also-eof-fix
tweak code comment
Cc: Caspar Zhang <jinli.zjl@xxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Oliver Yang <zhiche.yy@xxxxxxxxxxxxxxx>
Cc: shidao.ytt <shidao.ytt@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/fadvise.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff -puN mm/fadvise.c~mm-fadvise-discard-partial-page-if-endbyte-is-also-eof-fix mm/fadvise.c
--- a/mm/fadvise.c~mm-fadvise-discard-partial-page-if-endbyte-is-also-eof-fix
+++ a/mm/fadvise.c
@@ -128,12 +128,11 @@ SYSCALL_DEFINE4(fadvise64_64, int, fd, l
start_index = (offset+(PAGE_SIZE-1)) >> PAGE_SHIFT;
end_index = (endbyte >> PAGE_SHIFT);
/*
- * page at end_index will be inclusively discarded according
- * to invalidate_mapping_pages() implementation, thus, minus
- * end_index by 1 means we would skip the last page.
- * Yet, if endbyte is page-aligned, or it is at the end of
- * file, we should not skip, discarding the last page is just
- * safe enough.
+ * The page at end_index will be inclusively discarded according
+ * by invalidate_mapping_pages(), so subtracting 1 from
+ * end_index means we will skip the last page. But if endbyte
+ * is page aligned or is at the end of file, we should not skip
+ * that page - discarding the last page is safe enough.
*/
if ((endbyte & ~PAGE_MASK) != ~PAGE_MASK &&
endbyte != inode->i_size - 1) {
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
include-linux-sched-mmh-uninline-mmdrop_async-etc.patch
mm-fadvise-discard-partial-page-if-endbyte-is-also-eof.patch
mm-page_owner-clean-up-init_pages_in_zone-v3-fix.patch
tools-vm-new-option-to-specify-kpageflags-file-fix.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
