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memory: update link and explanation of munmap() on hugepages

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This commit is contained in:
Steffen Vogel 2018-07-02 10:51:27 +02:00
parent 7860c38bfe
commit f500cfa1e6
1 changed files with 5 additions and 1 deletions
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6
lib/memory.c
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@ -147,7 +147,11 @@ static void * memory_hugepage_alloc(struct memtype *m, size_t len, size_t alignm
static int memory_hugepage_free(struct memtype *m, void *ptr, size_t len)
{
len = ALIGN(len, HUGEPAGESIZE); /* ugly see: https://lkml.org/lkml/2015/3/27/171 */
/** We must make sure that len is a multiple of the hugepage size
*
* See: https://lkml.org/lkml/2014/10/22/925
*/
len = ALIGN(len, HUGEPAGESIZE);
return munmap(ptr, len);
}