diff for duplicates of <20140103033303.GB4106@localhost.localdomain> diff --git a/a/1.txt b/N1/1.txt index 31a9d9e..0b602d3 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -20,3 +20,42 @@ On Thu, Jan 02, 2014 at 10:05:21AM -0800, Dave Hansen wrote: > allocations" > Thanks. I have updated it according to your suggestion. + + +>From f9902b16ff0c326349e72eca9facef2c98f8595d Mon Sep 17 00:00:00 2001 +From: Han Pingtian <hanpt@linux.vnet.ibm.com> +Date: Fri, 3 Jan 2014 11:10:49 +0800 +Subject: [PATCH] mm: show message when raising min_free_kbytes in THP + +min_free_kbytes may be raised during THP's initialization. Sometimes, +this will change the value being set by user. Showing message will +clarify this confusion. + +Showing the old value of min_free_kbytes according to Dave Hansen's +suggestion. This will give user the chance to restore old value of +min_free_kbytes. + +Signed-off-by: Han Pingtian <hanpt@linux.vnet.ibm.com> +--- + mm/huge_memory.c | 5 ++++- + 1 files changed, 4 insertions(+), 1 deletions(-) + +diff --git a/mm/huge_memory.c b/mm/huge_memory.c +index 7de1bf8..1f0356d 100644 +--- a/mm/huge_memory.c ++++ b/mm/huge_memory.c +@@ -130,8 +130,11 @@ static int set_recommended_min_free_kbytes(void) + (unsigned long) nr_free_buffer_pages() / 20); + recommended_min <<= (PAGE_SHIFT-10); + +- if (recommended_min > min_free_kbytes) ++ if (recommended_min > min_free_kbytes) { ++ pr_info("raising min_free_kbytes from %d to %d to help transparent hugepage allocations\n", ++ min_free_kbytes, recommended_min); + min_free_kbytes = recommended_min; ++ } + setup_per_zone_wmarks(); + return 0; + } +-- +1.7.7.6 diff --git a/a/content_digest b/N1/content_digest index b3a016a..460319a 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -33,6 +33,45 @@ "> \"raising min_free_kbytes from %d to %d to help transparent hugepage\n" "> allocations\"\n" "> \n" - Thanks. I have updated it according to your suggestion. + "Thanks. I have updated it according to your suggestion.\n" + "\n" + "\n" + ">From f9902b16ff0c326349e72eca9facef2c98f8595d Mon Sep 17 00:00:00 2001\n" + "From: Han Pingtian <hanpt@linux.vnet.ibm.com>\n" + "Date: Fri, 3 Jan 2014 11:10:49 +0800\n" + "Subject: [PATCH] mm: show message when raising min_free_kbytes in THP\n" + "\n" + "min_free_kbytes may be raised during THP's initialization. Sometimes,\n" + "this will change the value being set by user. Showing message will\n" + "clarify this confusion.\n" + "\n" + "Showing the old value of min_free_kbytes according to Dave Hansen's\n" + "suggestion. This will give user the chance to restore old value of\n" + "min_free_kbytes.\n" + "\n" + "Signed-off-by: Han Pingtian <hanpt@linux.vnet.ibm.com>\n" + "---\n" + " mm/huge_memory.c | 5 ++++-\n" + " 1 files changed, 4 insertions(+), 1 deletions(-)\n" + "\n" + "diff --git a/mm/huge_memory.c b/mm/huge_memory.c\n" + "index 7de1bf8..1f0356d 100644\n" + "--- a/mm/huge_memory.c\n" + "+++ b/mm/huge_memory.c\n" + "@@ -130,8 +130,11 @@ static int set_recommended_min_free_kbytes(void)\n" + " \t\t\t (unsigned long) nr_free_buffer_pages() / 20);\n" + " \trecommended_min <<= (PAGE_SHIFT-10);\n" + " \n" + "-\tif (recommended_min > min_free_kbytes)\n" + "+\tif (recommended_min > min_free_kbytes) {\n" + "+\t\tpr_info(\"raising min_free_kbytes from %d to %d to help transparent hugepage allocations\\n\",\n" + "+\t\t\tmin_free_kbytes, recommended_min);\n" + " \t\tmin_free_kbytes = recommended_min;\n" + "+\t}\n" + " \tsetup_per_zone_wmarks();\n" + " \treturn 0;\n" + " }\n" + "-- \n" + 1.7.7.6 -e01713352d6dc8c24641a712dae9a2d5572898b543c850573205000e4ffedef0 +90cbe56a2bb69794c9b897b8c909687e73482cd4d534ca6f993a139b3b9cab54
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