From: Damjan Marion Date: Wed, 13 Dec 2017 12:51:13 +0000 (+0100) Subject: physmem: fix bug in detection of cross page boundary allocations X-Git-Tag: v18.04-rc0~57 X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=52014c674e6e52ea48682aa2eea8db23c6b8c252;p=vpp.git physmem: fix bug in detection of cross page boundary allocations Change-Id: I18e9227565243bce7d4102b1950eec9e019a097a Signed-off-by: Damjan Marion --- diff --git a/src/vlib/linux/physmem.c b/src/vlib/linux/physmem.c index b5f84ecc8a4..161dbf5c0c7 100644 --- a/src/vlib/linux/physmem.c +++ b/src/vlib/linux/physmem.c @@ -85,8 +85,8 @@ unix_physmem_alloc_aligned (vlib_main_t * vm, vlib_physmem_region_index_t idx, /* Make sure allocation does not span DMA physical chunk boundary. */ hi_offset = lo_offset + n_bytes - 1; - if ((lo_offset >> pr->log2_page_size) == - (hi_offset >> pr->log2_page_size)) + if (((pointer_to_uword (pr->heap) + lo_offset) >> pr->log2_page_size) == + ((pointer_to_uword (pr->heap) + hi_offset) >> pr->log2_page_size)) break; /* Allocation would span chunk boundary, queue it to be freed as soon as