The patch titled
pagemap: document clarifications
has been added to the -mm tree. Its filename is
pagemap-document-clarifications.patch
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------------------------------------------------------
Subject: pagemap: document clarifications
From: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Some bit ranges were inclusive and some not.
Fix them to be consistently inclusive.
Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: Matt Mackall <mpm@xxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/vm/pagemap.txt | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN Documentation/vm/pagemap.txt~pagemap-document-clarifications Documentation/vm/pagemap.txt
--- a/Documentation/vm/pagemap.txt~pagemap-document-clarifications
+++ a/Documentation/vm/pagemap.txt
@@ -12,9 +12,9 @@ There are three components to pagemap:
value for each virtual page, containing the following data (from
fs/proc/task_mmu.c, above pagemap_read):
- * Bits 0-55 page frame number (PFN) if present
+ * Bits 0-54 page frame number (PFN) if present
* Bits 0-4 swap type if swapped
- * Bits 5-55 swap offset if swapped
+ * Bits 5-54 swap offset if swapped
* Bits 55-60 page shift (page size = 1<<page shift)
* Bit 61 reserved for future use
* Bit 62 page swapped
@@ -36,7 +36,7 @@ There are three components to pagemap:
* /proc/kpageflags. This file contains a 64-bit set of flags for each
page, indexed by PFN.
- The flags are (from fs/proc/proc_misc, above kpageflags_read):
+ The flags are (from fs/proc/page.c, above kpageflags_read):
0. LOCKED
1. ERROR
_
Patches currently in -mm which might be from fengguang.wu@xxxxxxxxx are
origin.patch
linux-next.patch
readahead-make-mmap_miss-an-unsigned-int.patch
readahead-move-max_sane_readahead-calls-into-force_page_cache_readahead.patch
readahead-apply-max_sane_readahead-limit-in-ondemand_readahead.patch
readahead-remove-one-unnecessary-radix-tree-lookup.patch
readahead-increase-interleaved-readahead-size.patch
readahead-remove-sync-async-readahead-call-dependency.patch
readahead-clean-up-and-simplify-the-code-for-filemap-page-fault-readahead.patch
readahead-sequential-mmap-readahead.patch
readahead-enforce-full-readahead-size-on-async-mmap-readahead.patch
readahead-record-mmap-read-around-states-in-file_ra_state.patch
radix-tree-add-radix_tree_prev_hole.patch
readahead-move-the-random-read-case-to-bottom.patch
readahead-introduce-context-readahead-algorithm.patch
readahead-introduce-context-readahead-algorithm-update.patch
readahead-remove-redundant-test-in-shrink_readahead_size_eio.patch
readahead-enforce-full-sync-mmap-readahead-size.patch
mm-introduce-pagehuge-for-testing-huge-gigantic-pages.patch
slob-use-pg_slab-for-identifying-slob-pages.patch
proc-kpagecount-kpageflags-code-cleanup.patch
proc-export-more-page-flags-in-proc-kpageflags.patch
pagemap-document-clarifications.patch
pagemap-document-9-more-exported-page-flags.patch
pagemap-add-page-types-tool.patch
pagemap-export-pg_hwpoison.patch
vmscan-cleanup-the-scan-batching-code.patch
vmscan-dont-export-nr_saved_scan-in-proc-zoneinfo.patch
vmscan-zvc-updates-in-shrink_active_list-can-be-done-once.patch
inotify-reimplement-inotify-using-fsnotify-report-rounded-up-event-size-to-user-space.patch
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