Commit 4abd32dbab201c3ced0b0af12accea77cd9eeffc
Committed by
Linus Torvalds
1 parent
8faa8b077b
Exists in
master
and in
20 other branches
hugetlb: printk cleanup
- Reword sentence to clarify meaning with multiple options - Add support for using GB prefixes for the page size - Add extra printk to delayed > MAX_ORDER allocation code Acked-by: Adam Litke <agl@us.ibm.com> Acked-by: Nishanth Aravamudan <nacc@us.ibm.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Showing 1 changed file with 16 additions and 4 deletions Side-by-side Diff
mm/hugetlb.c
... | ... | @@ -1006,15 +1006,27 @@ |
1006 | 1006 | } |
1007 | 1007 | } |
1008 | 1008 | |
1009 | +static char * __init memfmt(char *buf, unsigned long n) | |
1010 | +{ | |
1011 | + if (n >= (1UL << 30)) | |
1012 | + sprintf(buf, "%lu GB", n >> 30); | |
1013 | + else if (n >= (1UL << 20)) | |
1014 | + sprintf(buf, "%lu MB", n >> 20); | |
1015 | + else | |
1016 | + sprintf(buf, "%lu KB", n >> 10); | |
1017 | + return buf; | |
1018 | +} | |
1019 | + | |
1009 | 1020 | static void __init report_hugepages(void) |
1010 | 1021 | { |
1011 | 1022 | struct hstate *h; |
1012 | 1023 | |
1013 | 1024 | for_each_hstate(h) { |
1014 | - printk(KERN_INFO "Total HugeTLB memory allocated, " | |
1015 | - "%ld %dMB pages\n", | |
1016 | - h->free_huge_pages, | |
1017 | - 1 << (h->order + PAGE_SHIFT - 20)); | |
1025 | + char buf[32]; | |
1026 | + printk(KERN_INFO "HugeTLB registered %s page size, " | |
1027 | + "pre-allocated %ld pages\n", | |
1028 | + memfmt(buf, huge_page_size(h)), | |
1029 | + h->free_huge_pages); | |
1018 | 1030 | } |
1019 | 1031 | } |
1020 | 1032 |