[PATCH v3 08/21] x86/kaslr: Drop redundant variable in __process_mem_region

From: Arvind Sankar
Date: Tue Jul 28 2020 - 18:57:45 EST


region.size can be trimmed to store the portion of the region before the
overlap, instead of a separate mem_vector variable.

Signed-off-by: Arvind Sankar <nivedita@xxxxxxxxxxxx>
---
arch/x86/boot/compressed/kaslr.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index e978c3508814..8cc47faea56d 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -664,11 +664,8 @@ static void __process_mem_region(struct mem_vector *entry,

/* Store beginning of region if holds at least image_size. */
if (overlap.start >= region.start + image_size) {
- struct mem_vector beginning;
-
- beginning.start = region.start;
- beginning.size = overlap.start - region.start;
- process_gb_huge_pages(&beginning, image_size);
+ region.size = overlap.start - region.start;
+ process_gb_huge_pages(&region, image_size);
}

/* Return if overlap extends to or past end of region. */
--
2.26.2