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@@ -13,7 +13,7 @@ There are four components to pagemap:
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* ``/proc/pid/pagemap``. This file lets a userspace process find out which
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physical frame each virtual page is mapped to. It contains one 64-bit
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value for each virtual page, containing the following data (from
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- fs/proc/task_mmu.c, above pagemap_read):
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+ ``fs/proc/task_mmu.c``, above pagemap_read):
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* Bits 0-54 page frame number (PFN) if present
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* Bits 0-4 swap type if swapped
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@@ -36,7 +36,7 @@ There are four components to pagemap:
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precisely which pages are mapped (or in swap) and comparing mapped
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pages between processes.
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- Efficient users of this interface will use /proc/pid/maps to
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+ Efficient users of this interface will use ``/proc/pid/maps`` to
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determine which areas of memory are actually mapped and llseek to
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skip over unmapped regions.
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@@ -79,11 +79,11 @@ There are four components to pagemap:
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memory cgroup each page is charged to, indexed by PFN. Only available when
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CONFIG_MEMCG is set.
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-Short descriptions to the page flags:
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-=====================================
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+Short descriptions to the page flags
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+====================================
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0 - LOCKED
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- page is being locked for exclusive access, eg. by undergoing read/write IO
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+ page is being locked for exclusive access, e.g. by undergoing read/write IO
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7 - SLAB
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page is managed by the SLAB/SLOB/SLUB/SLQB kernel memory allocator
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When compound page is used, SLUB/SLQB will only set this flag on the head
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@@ -132,7 +132,7 @@ IO related page flags
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ie. for file backed page: (in-memory data revision >= on-disk one)
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4 - DIRTY
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page has been written to, hence contains new data
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- ie. for file backed page: (in-memory data revision > on-disk one)
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+ i.e. for file backed page: (in-memory data revision > on-disk one)
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8 - WRITEBACK
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page is being synced to disk
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@@ -145,7 +145,7 @@ LRU related page flags
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page is in the active LRU list
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18 - UNEVICTABLE
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page is in the unevictable (non-)LRU list It is somehow pinned and
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- not a candidate for LRU page reclaims, eg. ramfs pages,
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+ not a candidate for LRU page reclaims, e.g. ramfs pages,
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shmctl(SHM_LOCK) and mlock() memory segments
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2 - REFERENCED
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page has been referenced since last LRU list enqueue/requeue
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@@ -156,7 +156,7 @@ LRU related page flags
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12 - ANON
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a memory mapped page that is not part of a file
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13 - SWAPCACHE
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- page is mapped to swap space, ie. has an associated swap entry
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+ page is mapped to swap space, i.e. has an associated swap entry
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14 - SWAPBACKED
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page is backed by swap/RAM
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Mike Rapoport