Messages in this thread Patch in this message | | | Date | Sun, 09 Jan 2022 10:39:19 +0300 | From | Ercan Ersoy <> | Subject | [PATCH 2/2] Fix assgining cma_area_count |
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I have patched "Contiguous Memory Allocator" of Linux kernel.
This fix of patch is for cma_init_reserved_mem function in mm/cma.c source file as creating area without specific name.
Without fix may be a problem a lot of cma as next cma2147483647 naming. Without fix may be a problem huge memory systems.
I think after "cma2147483647" naming is "cma-2147483648".
Thanks for interesting, Ercan
--- START PATCH --- From 5d3d01a3a0f7339617d1df945c0bd0ec1ab91ae3 Mon Sep 17 00:00:00 2001 From: Ercan Ersoy <ercanersoy@ercanersoy.net> Date: Sun, 9 Jan 2022 10:01:14 +0300 Subject: [PATCH 2/2] Fix assgining cma_area_count
Fix assigning to cma->name in cma_init_reserved_mem function in mm/cma.c source file.
Signed-off-by: Ercan Ersoy <ercanersoy@ercanersoy.net> --- mm/cma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/cma.c b/mm/cma.c index bc9ca8f3c487..03f01d1f1b57 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -199,7 +199,7 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size, if (name) snprintf(cma->name, CMA_MAX_NAME, name); else - snprintf(cma->name, CMA_MAX_NAME, "cma%d\n", cma_area_count); + snprintf(cma->name, CMA_MAX_NAME, "cma%u\n", cma_area_count);
cma->base_pfn = PFN_DOWN(base); cma->count = size >> PAGE_SHIFT; -- 2.30.2
--- END PATCH ---
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