Messages in this thread Patch in this message | | | Date | Tue, 28 Apr 2009 09:09:08 +0800 | From | Wu Fengguang <> | Subject | [PATCH 1/5] pagemap: document clarifications |
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Some bit ranges were inclusive and some not. Fix them to be consistently inclusive.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> --- Documentation/vm/pagemap.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- mm.orig/Documentation/vm/pagemap.txt +++ mm/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 --
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