diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 13:33:48 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 13:33:48 -0400 |
commit | 15dd859cacf312f606f54502d1f66537a1e5c78c (patch) | |
tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /Documentation/vm | |
parent | b2d9d33412b9d13a40cd314d93ab517950fc5950 (diff) | |
parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) |
Merge commit 'v2.6.27-rc1' into x86/core
Conflicts:
include/asm-x86/dma-mapping.h
include/asm-x86/namei.h
include/asm-x86/uaccess.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/vm')
-rw-r--r-- | Documentation/vm/hugetlbpage.txt | 2 | ||||
-rw-r--r-- | Documentation/vm/numa_memory_policy.txt | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt index 8a5b5763f0fe..ea8714fcc3ad 100644 --- a/Documentation/vm/hugetlbpage.txt +++ b/Documentation/vm/hugetlbpage.txt | |||
@@ -77,7 +77,7 @@ memory that is preset in system at this time. System administrators may want | |||
77 | to put this command in one of the local rc init files. This will enable the | 77 | to put this command in one of the local rc init files. This will enable the |
78 | kernel to request huge pages early in the boot process (when the possibility | 78 | kernel to request huge pages early in the boot process (when the possibility |
79 | of getting physical contiguous pages is still very high). In either | 79 | of getting physical contiguous pages is still very high). In either |
80 | case, adminstrators will want to verify the number of hugepages actually | 80 | case, administrators will want to verify the number of hugepages actually |
81 | allocated by checking the sysctl or meminfo. | 81 | allocated by checking the sysctl or meminfo. |
82 | 82 | ||
83 | /proc/sys/vm/nr_overcommit_hugepages indicates how large the pool of | 83 | /proc/sys/vm/nr_overcommit_hugepages indicates how large the pool of |
diff --git a/Documentation/vm/numa_memory_policy.txt b/Documentation/vm/numa_memory_policy.txt index bad16d3f6a47..6aaaeb38730c 100644 --- a/Documentation/vm/numa_memory_policy.txt +++ b/Documentation/vm/numa_memory_policy.txt | |||
@@ -58,7 +58,7 @@ most general to most specific: | |||
58 | the policy at the time they were allocated. | 58 | the policy at the time they were allocated. |
59 | 59 | ||
60 | VMA Policy: A "VMA" or "Virtual Memory Area" refers to a range of a task's | 60 | VMA Policy: A "VMA" or "Virtual Memory Area" refers to a range of a task's |
61 | virtual adddress space. A task may define a specific policy for a range | 61 | virtual address space. A task may define a specific policy for a range |
62 | of its virtual address space. See the MEMORY POLICIES APIS section, | 62 | of its virtual address space. See the MEMORY POLICIES APIS section, |
63 | below, for an overview of the mbind() system call used to set a VMA | 63 | below, for an overview of the mbind() system call used to set a VMA |
64 | policy. | 64 | policy. |
@@ -353,7 +353,7 @@ follows: | |||
353 | 353 | ||
354 | Because of this extra reference counting, and because we must lookup | 354 | Because of this extra reference counting, and because we must lookup |
355 | shared policies in a tree structure under spinlock, shared policies are | 355 | shared policies in a tree structure under spinlock, shared policies are |
356 | more expensive to use in the page allocation path. This is expecially | 356 | more expensive to use in the page allocation path. This is especially |
357 | true for shared policies on shared memory regions shared by tasks running | 357 | true for shared policies on shared memory regions shared by tasks running |
358 | on different NUMA nodes. This extra overhead can be avoided by always | 358 | on different NUMA nodes. This extra overhead can be avoided by always |
359 | falling back to task or system default policy for shared memory regions, | 359 | falling back to task or system default policy for shared memory regions, |